Asserter profile

KABUSHIKI KAISHA TOSHIBA

operating company6 patents now7 ever0 cases filed during tenure8 connections

Also seen as: Kabushiki Kaisha Toshiba

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
    Nkabushiki_kaisha_toshiba["KABUSHIKI KAISHA TOSHIBA"]
    Nnoda_reiko["NODA, REIKO"]
    Nkentaro_harada["Kentaro Harada"]
    Nkiyoshi_urui_kiyoshi_ishikawa_michiaki_okano["Kiyoshi Urui; Kiyoshi Ishikawa; Michiak…"]
    Nsaito_tomohiro["Saito, Tomohiro"]
    Ntoshiba_memory["Toshiba Memory Corporation"]
    Ninoue_michinobu_nishiuchi_hideo["INOUE, MICHINOBU; NISHIUCHI, HIDEO"]
    Ntsuchida_kenji_watanabe_yohji["Tsuchida, Kenji; Watanabe, Yohji"]
    Nishigami_takashi_kawai_mituo_iida_atsuko["ISHIGAMI, TAKASHI; KAWAI, MITUO; IIDA,…"]
    Nk_k_pangea["K.K. Pangea"]
    Nkioxia["KIOXIA Corporation"]
    Nnoda_reiko -->|"2005 · Assignment · 7502518"| Nkabushiki_kaisha_toshiba
    Nkentaro_harada -->|"1986 · Assignment · 4723149"| Nkabushiki_kaisha_toshiba
    Nkiyoshi_urui_kiyoshi_ishikawa_michiaki_okano -->|"1984 · Assignment · 4635253"| Nkabushiki_kaisha_toshiba
    Nsaito_tomohiro -->|"2004 · Assignment · 6908801"| Nkabushiki_kaisha_toshiba
    Nkabushiki_kaisha_toshiba -->|"2017 · Assignment · 6908801"| Ntoshiba_memory
    Ninoue_michinobu_nishiuchi_hideo -->|"2018 · Assignment · 11402427"| Nkabushiki_kaisha_toshiba
    Ntsuchida_kenji_watanabe_yohji -->|"Assignment · 5289413"| Nkabushiki_kaisha_toshiba
    Nishigami_takashi_kawai_mituo_iida_atsuko -->|"1991 · Assignment · 5530467"| Nkabushiki_kaisha_toshiba
    Ntoshiba_memory -->|"2018 · Merger · 6908801"| Nk_k_pangea
    Nk_k_pangea -->|"2018 · Change of Name · 6908801"| Ntoshiba_memory
    Ntoshiba_memory -->|"2019 · Change of Name · 6908801"| Nkioxia
    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 Nkabushiki_kaisha_toshiba focal
    class Ntoshiba_memory operating
    class Nk_k_pangea shell
    class Nkioxia operating

Patents currently held (6)

US 5289413? → present
US 46352531984-07-24 → present
US 47231491986-04-22 → present
US 55304671991-06-19 → present
US 75025182005-08-10 → present
US 114024272018-06-18 → present

Patents previously held (1)

US 69088012004-04-29 → 2017-08-24

Connected entities (8)

NODA, REIKOindividual1 patent
Kentaro Haradaindividual1 patent
Kiyoshi Urui; Kiyoshi Ishikawa; Michiaki Okanoindividual1 patent
Saito, Tomohiroindividual1 patent
Toshiba Memory Corporationoperating company1 patent
INOUE, MICHINOBU; NISHIUCHI, HIDEOindividual1 patent
Tsuchida, Kenji; Watanabe, Yohjiindividual1 patent
ISHIGAMI, TAKASHI; KAWAI, MITUO; IIDA, ATSUKOindividual1 patent

Correspondent attorneys (1)

Attorneys / firms recorded with USPTO when this entity received a patent. Recurrence is the signal — many firms do both NPE and operating-company patent work, so a single appearance doesn’t mean much.

(no name)· KABUSHIKI KAISHA TOSHIBA1 appearance