Asserter profile

HITACHI MAXELL, 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_maxell_japan["HITACHI MAXELL, LTD., JAPAN"]
    Nhitachi_consumer_electronics_japan["HITACHI CONSUMER ELECTRONICS CO., LTD.,…"]
    Nmaxell_japan["MAXELL, LTD., JAPAN"]
    Nhitachi_consumer_electronics_hitachi_consumer_electronics["HITACHI CONSUMER ELECTRONICS CO., LTD.;…"]
    Nkamimura_junji_nishizawa_akihito_shiokawa_junji_nonaka_shini["Kamimura, Junji; Nishizawa, Akihito; Sh…"]
    Nhitachi["HITACHI, LTD."]
    Nmaxell["MAXELL, LTD."]
    Nhitachi_maxell["HITACHI MAXELL, LTD."]
    Nhitachi_consumer_electronics_japan -->|"2014 · Assignment · 8471950"| Nhitachi_maxell_japan
    Nhitachi_maxell_japan -->|"2017 · Assignment · 8471950"| Nmaxell_japan
    Nhitachi_consumer_electronics_hitachi_consumer_electronics -->|"2014 · Assignment · 8180198"| Nhitachi_maxell_japan
    Nkamimura_junji_nishizawa_akihito_shiokawa_junji_nonaka_shini -->|"2009 · Assignment · 8471950"| Nhitachi_consumer_electronics_japan
    Nhitachi -->|"2013 · Assignment · 8180198"| Nhitachi_consumer_electronics_japan
    Nmaxell -->|"2021 · Merger · 8471950"| Nmaxell_japan
    Nhitachi_maxell -->|"2017 · Change of Name · 8180198"| Nmaxell_japan
    Nmaxell -->|"2021 · Merger · 8180198"| Nmaxell_japan
    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_maxell_japan focal
    class Nhitachi_consumer_electronics_japan operating
    class Nmaxell_japan operating
    class Nhitachi_consumer_electronics_hitachi_consumer_electronics operating
    class Nhitachi operating
    class Nmaxell operating
    class Nhitachi_maxell operating

Patents previously held (2)

Connected entities (3)