Patent 8805185

Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

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Ownership chain (1)

Asserters network →

Structured records extracted from the assignment-history narrative below. Each entity links to its full ownership-network profile.

  1. 2012-08-20 · recorded 2012-09-11 · reel 028932/0961 · Assignment

    Okada, HajimeMitsubishi Electric Corporation

    Correspondent: Bjoern E. Lindberg · Birch, Stewart, Kolasch & Birch

    Transfer of inventor's interest to the corporate assignee

Assignment history

Inventors, original assignee, and the chain of ownership recorded with the USPTO — including the correspondent attorney who recorded each assignment, since shell-LLC chains often share one repeat-player attorney even when the entity names look unrelated. Surfaces NPE / patent-troll patterns: shell-entity transfers, known asserters in the chain, repeat correspondent fingerprints, pre-litigation assignments, and bankruptcy fire-sales.

✓ Generated

Inventors

  • Hajime Okada (Mitsubishi Electric Corp)

Original assignee

Mitsubishi Electric Corp is a multinational electronics and electrical equipment manufacturing company with a broad range of products, including those in the optical communication field. They are an operating company. Mitsubishi Electric Corp is currently operating.

Assignment timeline

  • 2012-08-20 (executed) / recorded 2012-09-11 — Reel 028932/0961
    • Conveyance: Assignment
    • Assignor: Okada, Hajime
    • Assignee: Mitsubishi Electric Corporation
    • Correspondent: Bjoern E. Lindberg, Esq., Birch, Stewart, Kolasch & Birch, LLP, 8110 Gatehouse Road, Suite 100, Falls Church, VA 22042. This correspondent appears on other tracked patents on this site.
    • Context: Transfer of inventor's interest to the corporate assignee.

Timeline diagram

timeline
    title Ownership of US 8805185
    2011 : Filed by Mitsubishi Electric Corp
    2012 : Inventor assigns to Mitsubishi Electric
    2014 : Issued

NPE / troll-pattern signals

  1. Shell-entity transfer — not present
  2. Known asserter in the chain — not present
  3. Repeat correspondent across the chain — present. Bjoern E. Lindberg, Esq., Birch, Stewart, Kolasch & Birch, LLP, appears on reel 028932/0961, and has been identified as a recurring correspondent in other patent assignment analyses on this site.
  4. Cascading transfers — not present
  5. Pre-litigation transfer — not present
  6. Bankruptcy fire-sale — not present
  7. Privateering — not present
  8. Defensive aggregator (anti-NPE) — not present

Verdict

Insufficient data. The only recorded assignment is the inventor's assignment to the original operating company, Mitsubishi Electric Corporation. There are no subsequent assignments that would indicate a transfer to a non-practicing entity or a defensive aggregator.

Verification link: https://assignmentcenter.uspto.gov/#!/assignment-view?id=28932-0961

Generated 5/29/2026, 9:02:58 PM