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For the Inventor, By the Inventor

Yokosuka-shi, Kanagawa-ken, Japan

Toshiba Lighting & Technology Corporation

Calculating rank
USPTO Granted Patents = 663

% Expired Patents = 40.0


Trademarks = 3

Forward Citations = 7,659

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493 inventors (with patents filed for the assignee):

goldMedal Junichiro Yamamoto (60 out of 60 patents)

silverMedal Shigeru Osawa (56 out of 58 patents)

bronzeMedal Keiichi Shimizu (53 out of 62 patents)

4.  Kazuo Egawa (48 out of 48 patents)

5.  Hirokazu Otake (43 out of 43 patents)

6.  Makoto Sakai (38 out of 59 patents)

7.  Kiyoshi Nishimura (35 out of 35 patents)

8.  Aiko Hiraga (32 out of 32 patents)

9.  Toshiya Tanaka (29 out of 30 patents)

10.  Takayoshi Moriyama (28 out of 29 patents)

11.  Noriyuki Kitamura (27 out of 27 patents)

12.  Kozo Ogawa (27 out of 27 patents)

13.  Asuka Wada (25 out of 30 patents)

14.  Sumio Hashimoto (24 out of 33 patents)

15.  Hitoshi Kawano (24 out of 24 patents)


Core Competencies:
Vehicle Lighting Device
Heater
Fluid Sterilization
Vehicular Luminaire
LED Lighting Device
Light Emitting Module
Vehicle Lamp
Lighting Tool
Photocatalytic Filter
Lighting System
Incandescent Lamp
Lighting Apparatus

663 patents:

1. 12723731 - Vehicle lighting device and vehicle lamp (2026-09-01),
2. 12346045 - Heater and image forming apparatus (2025-07-01),
3. 12331902 - Vehicle lighting device and vehicle lamp (2025-06-17),
4. 12305827 - Vehicle lighting device, vehicle lamp, and method for manufacturing vehicle lighting device (2025-05-20),
5. 12253233 - Vehicle lighting device and vehicle lamp (2025-03-18),
6. 12210304 - Heater and image forming apparatus (2025-01-28),
7. 12117136 - Vehicle lighting device and vehicle lamp (2024-10-15),
8. 12055278 - Vehicle lighting device and vehicle lamp (2024-08-06),
9. 11957802 - Fluid sterilization apparatus and fluid sterilization system (2024-04-16),
10. 11951898 - Vehicle lighting device and vehicle lamp (2024-04-09),
11. 11947292 - Heater and image forming device (2024-04-02),
12. 11821603 - Vehicle lighting device and vehicle lamp (2023-11-21),
13. 11788706 - Vehicle luminaire and vehicle lighting tool (2023-10-17),
14. 11780750 - Fluid sterilization device (2023-10-10),
15. 11729866 - Heater (2023-08-15),
Company Overview
Toshiba Lighting & Technology Corporation, based in Yokosuka-shi, Kanagawa-ken, specializes in the development and manufacturing of advanced vehicle lighting devices. The company focuses on innovative technologies such as LED lighting devices, vehicular luminaires, and fluid sterilization systems, contributing significantly to automotive engineering. With a commitment to enhancing safety and efficiency in vehicle lighting, Toshiba Lighting & Technology plays a crucial role in the evolution of automotive illumination solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

663 Patents

#1 in Yokosuka-shi, Kanagawa-ken

#309 in Japan

#1,507 in the World

Yokosuka-shi, Kanagawa-ken, JP
Yokosuka-shi, Kanagawa-ken, Japan

Toshiba Lighting & Technology Corporation

Forward Citations = 7,659

493 inventors:

goldMedal Junichiro Yamamoto (60 out of 60 patents)

silverMedal Shigeru Osawa (56 out of 58 patents)

bronzeMedal Keiichi Shimizu (53 out of 62 patents)

4.  Kazuo Egawa (48 out of 48 patents)

5.  Hirokazu Otake (43 out of 43 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toshiba Lighting & Technology Corporation. Retrieved from https://idiyas.com/company/toshiba-lighting-and-technology

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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