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For the Inventor, By the Inventor

Tokyo, Japan

Tomoegawa Corporation

Calculating rank
USPTO Granted Patents = 16


Trademarks = 1

Forward Citations = 9

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35 inventors (with patents filed for the assignee):

goldMedal Hideki Moriuchi (8 out of 13 patents)

silverMedal Shuhei Hatano (5 out of 6 patents)

bronzeMedal Tomoki Furue (1 out of 9 patents)

4.  Daisuke Muramatsu (1 out of 4 patents)

5.  Taku Kurahara (1 out of 2 patents)

6.  Katsuyoshi Hoshino (1 out of 12 patents)

7.  Hajime Tsuda (1 out of 5 patents)

8.  Takayuki Sano (1 out of 10 patents)

9.  Akinori Ebe (1 out of 16 patents)

10.  Keiichiro Haji (1 out of 2 patents)

11.  Nobuyuki Aoki (1 out of 6 patents)

12.  Kazuha Nishiura (1 out of 1 patent)

13.  Kazuki Ishihara (1 out of 1 patent)

14.  Katsuya Okumura (1 out of 4 patents)

15.  Maika Yamaji (1 out of 1 patent)


16 patents:

1. 12669299 - Metal fiber molded body, temperature regulation unit, and method for manufacturing metal fiber molded body (2026-06-30),
2. 12568558 - Heat exchanger (2026-03-03),
3. 12550291 - Temperature regulation unit and method for manufacturing temperature regulation unit (2026-02-10),
4. 12541159 - Toner particles for developing electrostatically charged image and toner composition for developing electrostatically charged image (2026-02-03),
5. 12540782 - Temperature regulation unit with rod shaped flow members (2026-02-03),
6. 12540437 - Inorganic fiber sheet with shots distributed on the side surface (2026-02-03),
7. D1092422 - Heat exchange plate (2025-09-09),
8. 12354839 - Radio-frequency antenna and plasma processing device (2025-07-08),
9. 12342427 - Sheet-like heater (2025-06-24),
10. 12298083 - Temperature control unit and temperature control device (2025-05-13),
11. D1073913 - Heat exchange plate (2025-05-06),
12. 12249521 - Temperature control unit (2025-03-11),
13. 12217994 - Electrostatic chuck device and sleeve for electrostatic chuck device (2025-02-04),
14. 12176237 - Electrostatic chuck device (2024-12-24),
15. 11985795 - Temperature control unit (2024-05-14),
Company Overview
Tomoegawa Corporation, headquartered in Tokyo, specializes in advanced materials and technologies, focusing on the development and manufacturing of high-performance products. The company is known for its innovations in areas such as electronic materials, packaging solutions, and industrial applications. With a commitment to research and development, Tomoegawa aims to enhance the functionality and efficiency of its offerings, serving various industries including electronics and packaging, while contributing to sustainable practices in manufacturing.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

16 Patents

#1,500 in Tokyo

#3,343 in Japan

#37,868 in the World

Tokyo, JP
Tokyo, Japan

Tomoegawa Corporation

Forward Citations = 9

35 inventors:

goldMedal Hideki Moriuchi (8 out of 13 patents)

silverMedal Shuhei Hatano (5 out of 6 patents)

bronzeMedal Tomoki Furue (1 out of 9 patents)

4.  Daisuke Muramatsu (1 out of 4 patents)

5.  Taku Kurahara (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tomoegawa Corporation. Retrieved from https://idiyas.com/company/tomoegawa

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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