Asserter profile

HITACHI CONSUMER ELECTRONICS CO., LTD., JAPAN

operating company0 patents now2 ever0 cases filed during tenure3 connections

PTAB exposure

2of this entity’s patents have been challenged at PTAB (2 total proceedings). 2 currently have active proceedings.

Two-hop network

Edges marked ⚖️ overlap with at least one infringement suit filed during the receiving entity’s tenure with the patent. Bold-bordered = this entity. Red = NPE; orange = shell LLC; green = defensive aggregator; blue = operating company.

flowchart LR
    Nhitachi_consumer_electronics_japan["HITACHI CONSUMER ELECTRONICS CO., LTD.,…"]
    Nkamimura_junji_nishizawa_akihito_shiokawa_junji_nonaka_shini["Kamimura, Junji; Nishizawa, Akihito; Sh…"]
    Nhitachi_maxell_japan["HITACHI MAXELL, LTD., JAPAN"]
    Nhitachi["Hitachi, Ltd."]
    Nmaxell_japan["MAXELL, LTD., JAPAN"]
    Nhitachi_consumer_electronics_hitachi_consumer_electronics["HITACHI CONSUMER ELECTRONICS CO., LTD.;…"]
    Nhitachi_consumer_electronics["Hitachi Consumer Electronics Co., Ltd."]
    Nmiyano_masaaki_arai_ikuya_masuda_kozo["MIYANO, MASAAKI; ARAI, IKUYA; MASUDA, K…"]
    Nhitachi_maxell["Hitachi Maxell, Ltd."]
    Nfujiwara_shinji_mizuno_kazuhiko_watanabe_satoru_kawamura_nob["FUJIWARA, SHINJI; MIZUNO, KAZUHIKO; WAT…"]
    Ntakeshi_hoshino_youichi_horii_tadaaki_ishikawa_yukiko_ichige["Takeshi Hoshino, Youichi Horii, Tadaaki…"]
    Nseiji_kageyama_satoru_matsumoto_makoto_kitagawa_takuya_shima["Seiji Kageyama; Satoru Matsumoto; Makot…"]
    Nricoh_printing_systems["RICOH PRINTING SYSTEMS, LTD."]
    Nnagai_yasuhiko_fujiyama_tatsuya_arai_masato_tsunoda_mitsuhir["Nagai, Yasuhiko; Fujiyama, Tatsuya; Ara…"]
    Nmachida_yoshihiro_tsutsumi_nobuhiro_kamogawa_kouji["Machida, Yoshihiro; Tsutsumi, Nobuhiro;…"]
    Nkatsuhiko_tsunehara_mikio_kuwahara["Katsuhiko Tsunehara; Mikio Kuwahara"]
    Nakio_nagasaka_takafumi_miyatake_yoshikazu_amano_shigeru_hira["Akio Nagasaka; Takafumi Miyatake; Yoshi…"]
    Ndaikoku_takahiro_tsubaki_shigeyasu["DAIKOKU, TAKAHIRO; TSUBAKI, SHIGEYASU"]
    Nnobukazu_doi_takashi_yano["Nobukazu Doi; Takashi Yano"]
    Nhitachi_communication["Hitachi Communication Technologies, Ltd."]
    Nnakamura_shouji_kimura_shinji_sugita_yumiko_yamamoto_reki_ko["NAKAMURA, SHOUJI; KIMURA, SHINJI; SUGIT…"]
    Ntoshiyuki_kurita_hitoaki_owashi["Toshiyuki Kurita; Hitoaki Owashi"]
    Nkatsuhiko_tsunehara_kenzaburo_fujishima_mikio_kuwahara_koji_["Katsuhiko Tsunehara, Kenzaburo Fujishim…"]
    Nshigeto_oeda_naoki_mori_hiromichi_ito["Shigeto Oeda; Naoki Mori; Hiromichi Ito"]
    Nkatagishi_makoto_machida_shirou["Katagishi, Makoto; Machida, Shirou"]
    Nmaeoka_jun_morimoto_yoshiaki_satoyama_motoaki_doi_koji_iguch["Maeoka, Jun; Morimoto, Yoshiaki; Satoya…"]
    Nshinagawa_akio_takada_chikako_takizawa_kazuyuki_esaki_tomohi["Shinagawa, Akio; Takada, Chikako; Takiz…"]
    Nkishiko_maruyama_toshiichirou_sasaki_shigeru_shimada["Kishiko Maruyama; Toshiichirou Sasaki;…"]
    Nokamoto_hiroo_shiokawa_junji_yoshida_susumu["OKAMOTO, HIROO; SHIOKAWA, JUNJI; YOSHID…"]
    Ntakahiro_nakano_ryuji_nishimura_toshiro_kinugasa["Takahiro Nakano; Ryuji Nishimura; Toshi…"]
    Ntoshio_kamimura_michihiro_mese_shigeto_oeda_hitoshi_yonenaga["Toshio Kamimura; Michihiro Mese; Shiget…"]
    Nsusumu_yoshida_junji_shiokawa_hiroo_okamoto["Susumu Yoshida, Junji Shiokawa, Hiroo O…"]
    Nyoshida_mari["Yoshida, Mari"]
    Nshimoda_shinichi_mori_naoki["Shimoda, Shinichi; Mori, Naoki"]
    Njun_saito["Jun Saito"]
    Nharuhiko_miyao_takahiro_nakano["Haruhiko Miyao; Takahiro Nakano"]
    Ntoru_yokoyama["Toru Yokoyama"]
    Nhitachi_plasma_display["Hitachi Plasma Display Limited"]
    Ntatsuo_hariyama_masahiro_watanabe_atsushi_taniguchi_kenji_ma["Tatsuo HARIYAMA; Masahiro WATANABE; Ats…"]
    Nhariyama_tatsuo_maruno_kenji_taniguchi_atsushi_watanabe_masa["HARIYAMA, TATSUO; MARUNO, KENJI; TANIGU…"]
    Nkatayama_rintaro_mizugaki_kenichi_fujiwara_ryosuke["Katayama, Rintaro; Mizugaki, Kenichi; F…"]
    Nyukinori_akamine_hisayoshi_kajiwara_satoshi_tanaka_takashi_y["Yukinori Akamine; Hisayoshi Kajiwara; S…"]
    Nrenesas_technology["RENESAS TECHNOLOGY CORPORATION"]
    Nkamimura_junji_nishizawa_akihito_shiokawa_junji_nonaka_shini -->|"2009 · Assignment · 8471950"| Nhitachi_consumer_electronics_japan
    Nhitachi_consumer_electronics_japan -->|"2014 · Assignment · 8471950"| Nhitachi_maxell_japan
    Nhitachi -->|"2013 · Assignment · 8180198"| Nhitachi_consumer_electronics_japan
    Nhitachi_maxell_japan -->|"2017 · Assignment · 8471950"| Nmaxell_japan
    Nhitachi_consumer_electronics_hitachi_consumer_electronics -->|"2014 · Assignment · 8180198"| Nhitachi_maxell_japan
    Nhitachi -->|"2012 · Assignment · 7577417"| Nhitachi_consumer_electronics
    Nmiyano_masaaki_arai_ikuya_masuda_kozo -->|"2006 · Assignment · 7952645"| Nhitachi
    Nhitachi -->|"2014 · Assignment · 7952645"| Nhitachi_maxell
    Nfujiwara_shinji_mizuno_kazuhiko_watanabe_satoru_kawamura_nob -->|"2006 · Assignment of Assignor's Interest · 7587430"| Nhitachi
    Ntakeshi_hoshino_youichi_horii_tadaaki_ishikawa_yukiko_ichige -->|"2012 · Assignment · 8674849"| Nhitachi
    Nseiji_kageyama_satoru_matsumoto_makoto_kitagawa_takuya_shima -->|"1994 · Assignment · 5625757"| Nhitachi
    Nhitachi -->|"2005 · Assignment · 5625757"| Nricoh_printing_systems
    Nnagai_yasuhiko_fujiyama_tatsuya_arai_masato_tsunoda_mitsuhir -->|"2000 · Assignment · 7089581"| Nhitachi
    Nmachida_yoshihiro_tsutsumi_nobuhiro_kamogawa_kouji -->|"2006 · Assignment · 8170394"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 8170394"| Nhitachi_consumer_electronics
    Nkatsuhiko_tsunehara_mikio_kuwahara -->|"2002 · Assignment · 6928292"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 6928292"| Nhitachi_consumer_electronics
    Nakio_nagasaka_takafumi_miyatake_yoshikazu_amano_shigeru_hira -->|"1996 · Assignment · 5974218"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 5974218"| Nhitachi_consumer_electronics
    Ndaikoku_takahiro_tsubaki_shigeyasu -->|"1997 · Assignment · 5818694"| Nhitachi
    Nnobukazu_doi_takashi_yano -->|"1995 · Assignment · 5559790"| Nhitachi
    Nhitachi -->|"2007 · Assignment · 5559790"| Nhitachi_communication
    Nhitachi -->|"2007 · Assignment · 5559790"| Nhitachi_communication
    Nnakamura_shouji_kimura_shinji_sugita_yumiko_yamamoto_reki_ko -->|"1995 · Assignment · 5550962"| Nhitachi
    Ntoshiyuki_kurita_hitoaki_owashi -->|"2008 · Assignment · 9420212"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 9420212"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 8059177"| Nhitachi_consumer_electronics
    Nkatsuhiko_tsunehara_kenzaburo_fujishima_mikio_kuwahara_koji_ -->|"2002 · Assignment · 7072673"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 7072673"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 6816491"| Nhitachi_consumer_electronics
    Nshigeto_oeda_naoki_mori_hiromichi_ito -->|"2000 · Assignment · 6329794"| Nhitachi
    Nhitachi -->|"2011 · Assignment · 6329794"| Nhitachi_consumer_electronics
    Nkatagishi_makoto_machida_shirou -->|"1999 · Assignment · 6408193"| Nhitachi
    Nhitachi -->|"2012 · Assignment · 6408193"| Nhitachi_consumer_electronics
    Nmaeoka_jun_morimoto_yoshiaki_satoyama_motoaki_doi_koji_iguch -->|"2003 · Assignment · 7116438"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 7116438"| Nhitachi_consumer_electronics
    Nhitachi -->|"Assignment · 10084991"| Nhitachi_consumer_electronics
    Nshinagawa_akio_takada_chikako_takizawa_kazuyuki_esaki_tomohi -->|"2001 · Assignment · 6928306"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 6928306"| Nhitachi_consumer_electronics
    Nkishiko_maruyama_toshiichirou_sasaki_shigeru_shimada -->|"2002 · Assignment · 6430498"| Nhitachi
    Nhitachi -->|"2012 · Assignment · 6430498"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 7995897"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 6580999"| Nhitachi_consumer_electronics
    Nhitachi -->|"Assignment · 10199072"| Nhitachi_consumer_electronics
    Nokamoto_hiroo_shiokawa_junji_yoshida_susumu -->|"2017 · Assignment · 9818449"| Nhitachi
    Nhitachi -->|"2017 · Assignment · 9818449"| Nhitachi_maxell
    Nhitachi -->|"2013 · Assignment · 7421188"| Nhitachi_consumer_electronics
    Nhitachi -->|"2012 · Assignment · 6973334"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 6856760"| Nhitachi_consumer_electronics
    Ntakahiro_nakano_ryuji_nishimura_toshiro_kinugasa -->|"2000 · Assignment · 8736729"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 8736729"| Nhitachi_consumer_electronics
    Nhitachi -->|"2012 · Assignment · 6748317"| Nhitachi_consumer_electronics
    Ntoshio_kamimura_michihiro_mese_shigeto_oeda_hitoshi_yonenaga -->|"1993 · Assignment · 5396443"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 5396443"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 7551209"| Nhitachi_consumer_electronics
    Nsusumu_yoshida_junji_shiokawa_hiroo_okamoto -->|"Assignment · 11017815"| Nhitachi
    Nhitachi -->|"Assignment · 11017815"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 11924502"| Nhitachi_consumer_electronics
    Nyoshida_mari -->|"Assignment · 10176848"| Nhitachi
    Nhitachi -->|"Assignment · 10176848"| Nhitachi_consumer_electronics
    Nhitachi -->|"2014 · Assignment · 9451229B2"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 8130284B2"| Nhitachi_consumer_electronics
    Nshimoda_shinichi_mori_naoki -->|"2003 · Assignment · 7203517"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 7203517"| Nhitachi_consumer_electronics
    Ntakahiro_nakano_ryuji_nishimura_toshiro_kinugasa -->|"2000 · Assignment · 6765616B1"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 6765616B1"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 8549109"| Nhitachi_consumer_electronics
    Nhitachi -->|"Assignment · 10244284"| Nhitachi_consumer_electronics
    Nhitachi -->|"2013 · Assignment · 9100604"| Nhitachi_consumer_electronics
    Njun_saito -->|"2003 · Assignment · 7324487"| Nhitachi
    Nhitachi -->|"2012 · Assignment · 7324487"| Nhitachi_consumer_electronics
    Nharuhiko_miyao_takahiro_nakano -->|"2002 · Assignment · 7199821"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 7199821"| Nhitachi_consumer_electronics
    Ntoru_yokoyama -->|"2002 · Assignment · 7062758"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 7062758"| Nhitachi_consumer_electronics
    Nhitachi_plasma_display -->|"2012 · Assignment · 7450090"| Nhitachi
    Nhitachi -->|"2013 · Assignment · 7450090"| Nhitachi_consumer_electronics
    Ntatsuo_hariyama_masahiro_watanabe_atsushi_taniguchi_kenji_ma -->|"2021 · Assignment · 11054242"| Nhitachi
    Nhariyama_tatsuo_maruno_kenji_taniguchi_atsushi_watanabe_masa -->|"2019 · Assignment · 10900773"| Nhitachi
    Nkatayama_rintaro_mizugaki_kenichi_fujiwara_ryosuke -->|"2019 · Assignment · 10996076"| Nhitachi
    Nyukinori_akamine_hisayoshi_kajiwara_satoshi_tanaka_takashi_y -->|"2002 · Assignment · 7194244"| Nhitachi
    Nhitachi -->|"2003 · Assignment · 7194244"| Nrenesas_technology
    classDef focal fill:#fef3c7,stroke:#92400e,stroke-width:3px,color:#1c1917
    classDef npe fill:#fee2e2,stroke:#be123c,stroke-width:2px,color:#1c1917
    classDef shell fill:#fed7aa,stroke:#9a3412,stroke-width:2px,color:#1c1917
    classDef defensive fill:#dcfce7,stroke:#15803d,stroke-width:2px,color:#1c1917
    classDef operating fill:#e0f2fe,stroke:#075985,stroke-width:1px,color:#1c1917
    class Nhitachi_consumer_electronics_japan focal
    class Nhitachi_maxell_japan operating
    class Nhitachi operating
    class Nmaxell_japan operating
    class Nhitachi_consumer_electronics_hitachi_consumer_electronics operating
    class Nhitachi_consumer_electronics operating
    class Nhitachi_maxell npe
    class Nricoh_printing_systems operating
    class Nhitachi_communication operating
    class Nhitachi_plasma_display operating
    class Nrenesas_technology operating

Patents previously held (2)

Connected entities (3)