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For the Inventor, By the Inventor

Nagoya, Japan

Toyota School Foundation


USPTO Granted Patents = 44

% Expired Patents = 13.6



Forward Citations = 69

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86 inventors (with patents filed for the assignee):

goldMedal Tsunehiro Takeuchi (14 out of 14 patents)

silverMedal Masahiro Adachi (12 out of 71 patents)

bronzeMedal Yoshiyuki Yamamoto (10 out of 84 patents)

4.  Kazuya Saito (5 out of 6 patents)

5.  Kotaro Hirose (5 out of 12 patents)

6.  Tatsuo Narikiyo (3 out of 3 patents)

7.  Takashi Matsuura (3 out of 45 patents)

8.  Makoto Kiyama (3 out of 51 patents)

9.  Kazuo Hasegawa (3 out of 7 patents)

10.  Tomoya Okazaki (3 out of 6 patents)

11.  Yuichi Furukawa (3 out of 26 patents)

12.  Minoru Sasaki (3 out of 3 patents)

13.  Yoshiki Tsunekawa (3 out of 9 patents)

14.  Takao Suzuki (3 out of 15 patents)

15.  William Van Drent (3 out of 4 patents)


Core Competencies:
Thermoelectric Conversion Element
Optical Sensor
Power Assist System
Temperature Measuring Device
Heat Flow Switching Element
Semiconductor Device
X-ray Reflecting Device
Rehabilitation Device
Amplification Fiber
Magneto-Optical Recording Medium
Voltage Sensor
Distributed Control System

44 patents:

1. 12673418 - Power assist system and storage medium (2026-07-07),
2. 12656190 - Temperature measuring device and temperature measuring method (2026-06-16),
3. 12626037 - Vehicle response predicting device, training device, method and recording medium on which a program is recorded (2026-05-12),
4. 12613364 - Glass diffraction grating and method of producing the same (2026-04-28),
5. 12284918 - Thermoelectric conversion element, thermoelectric conversion module, and method of producing thermoelectric conversion element (2025-04-21),
6. 12063861 - Heat flow switching element (2024-08-13),
7. 12035630 - Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and optical sensor (2024-07-09),
8. 12035629 - Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and optical sensor (2024-07-09),
9. 12029127 - Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and light sensor (2024-07-02),
10. 12010917 - Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and optical sensor (2024-06-11),
11. 11832519 - Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and optical sensor (2023-11-28),
12. 11769980 - Amplification fiber and laser beam emitting apparatus (2023-09-26),
13. 11758813 - Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, optical sensor, and method for manufacturing thermoelectric conversion material (2023-09-12),
14. 11737364 - Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and optical sensor (2023-08-22),
15. 11716903 - Thermoelectric conversion element, thermoelectric conversion module, optical sensor, method of producing thermoelectric conversion material, and method of producing thermoelectric conversion element (2023-08-01),
Company Overview
The Toyota School Foundation, based in Nagoya, Japan, focuses on advancing educational initiatives and fostering innovation in technology. The foundation specializes in various core technology domains, including thermoelectric conversion, optical sensors, and heat flow switching. By promoting research in amplification fiber, laser beam emitting, and distributed control systems, the foundation aims to enhance technological development and contribute to the broader educational landscape. Its commitment to nurturing talent and supporting technological advancements positions it as a key player in the region's educational and technological ecosystem.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

44 Patents

#33 in Nagoya

#1,864 in Japan

#15,756 in the World

Nagoya, JP
Nagoya, Japan

Toyota School Foundation

Forward Citations = 69

86 inventors:

goldMedal Tsunehiro Takeuchi (14 out of 14 patents)

silverMedal Masahiro Adachi (12 out of 71 patents)

bronzeMedal Yoshiyuki Yamamoto (10 out of 84 patents)

4.  Kazuya Saito (5 out of 6 patents)

5.  Kotaro Hirose (5 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyota School Foundation. Retrieved from https://idiyas.com/company/toyota-school-foundation

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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