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For the Inventor, By the Inventor

Kyoto, Japan

The Ritsumeikan Trust

Calculating rank
USPTO Granted Patents = 62

% Expired Patents = 25.8



Trademarks = 3

Forward Citations = 123

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152 inventors (with patents filed for the assignee):

goldMedal Takakuni Douseki (10 out of 18 patents)

silverMedal Ami Tanaka (9 out of 16 patents)

bronzeMedal Shunsuke Okura (8 out of 30 patents)

4.  Fumiyasu Utsunomiya (8 out of 77 patents)

5.  Takeshi Fujino (6 out of 6 patents)

6.  Masayoshi Shirahata (5 out of 5 patents)

7.  Mitsuru Shiozaki (5 out of 5 patents)

8.  Takaya Kubota (5 out of 5 patents)

9.  Isao Takayanagi (4 out of 41 patents)

10.  Yoshitaka Kawabata (3 out of 3 patents)

11.  Masaaki Makikawa (3 out of 4 patents)

12.  Katsuya Kanaoka (3 out of 9 patents)

13.  Ken Miyauchi (3 out of 15 patents)

14.  Hideki Owada (3 out of 7 patents)

15.  Sangman Han (3 out of 6 patents)


Core Competencies:
Solid-State Imaging Device
Power Generation Sensor
Signal Processing Device
Two-Dimensional Code
Plant Cultivation System
Residual Power Estimation
Hydraulic Drive Circuit
In-Vivo Signal Detection
Tamper-Resistant Memory
Microwave Gauge
Infrared Array Sensor
Antenna Device

62 patents:

1. 12756176 - Power generation device (2026-10-06),
2. 12501940 - Method for displaying time-varying flavor as time-varying visual element, program, and information processing device (2025-12-23),
3. 12452563 - Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus (2025-10-21),
4. 12411027 - Power generation sensor (2025-09-09),
5. 12364058 - Near-infrared light emitting semiconductor element and method for manufacturing same (2025-07-15),
6. 12294793 - Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus (2025-05-06),
7. 12260290 - Two-dimensional code, generation device, and reading device (2025-03-25),
8. 12245923 - Power generation sensor (2025-03-11),
9. 12185058 - Parametric array loudspeaker, signal processing device, and signal processing method (2024-12-31),
10. 12169188 - Bonding layer evaluation system and bonding layer evaluation method (2024-12-17),
11. 12152617 - Coupling structure (2024-11-26),
12. 12019049 - Bonding layer evaluation system and bonding layer evaluation method (2024-06-25),
13. 11849235 - Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus (2023-12-19),
14. 11813090 - Determination device (2023-11-14),
15. 11637982 - Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus (2023-04-25),
Company Overview
The Ritsumeikan Trust, based in Kyoto, Japan, is a prominent organization specializing in advanced solid-state imaging technologies. Its research encompasses a range of innovative applications, including solid-state imaging devices, power generation sensors, and signal processing devices. The Trust also explores cutting-edge topics such as two-dimensional codes, plant cultivation systems, and hydraulic drive circuits, contributing to various fields through in-vivo signal detection and residual power estimation. This commitment to technological advancement positions the Trust as a key player in its domain.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

62 Patents

#58 in Kyoto 615-0031

#1,500 in Japan

#11,779 in the World

Kyoto, JP
Kyoto, Japan

The Ritsumeikan Trust

Forward Citations = 123

152 inventors:

goldMedal Takakuni Douseki (10 out of 18 patents)

silverMedal Ami Tanaka (9 out of 16 patents)

bronzeMedal Shunsuke Okura (8 out of 30 patents)

4.  Fumiyasu Utsunomiya (8 out of 77 patents)

5.  Takeshi Fujino (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Ritsumeikan Trust. Retrieved from https://idiyas.com/company/ritsumeikan-trust

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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