Patent 7502518

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. 2005-08-10 · recorded 2005-09-08 · reel 016964/0257 · Assignment

    NODA, REIKOKABUSHIKI KAISHA TOSHIBA

    Correspondent: · KABUSHIKI KAISHA TOSHIBA

    Transfer of inventor's interest to the corporate entity

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

  • Reiko Noda (Toshiba Corp)

Original assignee

The original assignee, Toshiba Corp, is a multinational conglomerate primarily known for its diversified products and services, including electronics, electrical equipment, and information technology. Toshiba Corp is currently operating. It is highly probable that Toshiba Corp shipped products embodying the claims of US7502518, given its extensive involvement in electronics and image processing technologies.

Assignment timeline

  • 2005-08-10 (executed) / recorded 2005-09-08 — Reel 016964/0257
    • Conveyance: Assignment
    • Assignor: NODA, REIKO
    • Assignee: KABUSHIKI KAISHA TOSHIBA
    • Correspondent: KABUSHIKI KAISHA TOSHIBA. No recurrence of this correspondent on other tracked patents.
    • Context: Transfer of inventor's interest to the corporate entity.

The USPTO Patent Assignment Search at https://assignmentcenter.uspto.gov/ shows only one assignment record for US7502518: the inventor's assignment to Toshiba Corp (Kabushiki Kaisha Toshiba). There are no recorded post-issuance assignments from Toshiba Corp to any other entity.

Timeline diagram

timeline
    title Ownership of US 7502518
    2005 : Inventor Reiko Noda assigns to Toshiba Corp
    2009 : Patent issued to Toshiba Corp
    2017 : Patent expired

NPE / troll-pattern signals

  1. Shell-entity transfer — not present. The patent remains with the original operating company, Toshiba Corp.
  2. Known asserter in the chain — not present. Toshiba Corp is an operating company, not a known patent asserter (NPE).
  3. Repeat correspondent across the chain — not present. There is only one assignment record, from the inventor to the original assignee, and no recurring correspondent.
  4. Cascading transfers — not present. There is only one assignment, and no multiple consecutive transfers.
  5. Pre-litigation transfer — not present. There is no recorded litigation, and no recent transfers.
  6. Bankruptcy fire-sale — not present. There is no indication of Toshiba Corp undergoing a bankruptcy fire-sale of this patent.
  7. Privateering — not present. There is no transfer from Toshiba Corp to an NPE.
  8. Defensive aggregator (anti-NPE) — not present. The patent is not currently held by a defensive aggregator.

Verdict

Insufficient data. Based on the available assignment records, US7502518 was assigned from the inventor, Reiko Noda, to the original assignee, Kabushiki Kaisha Toshiba (Toshiba Corp), on 2005-08-10 (recorded 2005-09-08) per Reel 016964/0257. There are no subsequent assignments recorded, indicating that Toshiba Corp remains the owner. As Toshiba Corp is an operating company and there are no other transfers, there are no signals to indicate NPE involvement.

Generated 5/29/2026, 8:47:59 PM