For the Inventor, By the Inventor

Enter assignee name

Ricoh Research Institute of General Electronics

USPTO Granted Patents = 9

CIPO Patents = 1

Forward Citations = 167

Loading Chart...

Loading Chart...

24 inventors (with patents filed for the assignee):

Koichi Haga (4 out of 14 patents)

Kenji Yamamoto (4 out of 7 patents)

Masafumi Kumano (3 out of 16 patents)

4. Akishige Murakami (2 out of 14 patents)

5. Mitsuhiro Kohata (2 out of 4 patents)

6. Yoshikazu Akiyama (1 out of 31 patents)

7. Akihiro Fuse (1 out of 13 patents)

8. Hiroshi Miura (1 out of 53 patents)

9. Saburo Sasaki (1 out of 13 patents)

10. Yutaka Sano (1 out of 13 patents)

11. Yasuyuki Shindoh (1 out of 7 patents)

12. Takehito Nagata (1 out of 5 patents)

13. Atsuko Kumagai (1 out of 1 patent)

14. Tsutomu Ishida (1 out of 11 patents)

15. Noriaki Onodera (1 out of 4 patents)

9 patents: Sort by Forward Citations

1. 5140397 - Amorphous silicon photoelectric device (1992-08-18),

2. 5060041 - Amorphous silicon photosensor (1991-10-22),

3. 4994877 - Photoelectric conversion semiconductor device with noise limiting circuit (1991-02-19),

4. 4969025 - Amorphous silicon photosensor with oxygen doped layer (1990-11-06),

5. 4943839 - Contact type image sensor (1990-07-24),

6. 4883766 - Method of producing thin film transistor (1989-11-28),

7. 4874957 - Contact type image sensor (1989-10-17),

8. 4797890 - Semiconductor light emitting device with vertical light emission (1989-01-10),

9. 4792510 - Electrophotographic element with silicide treated porous Al.sub.2 (1988-12-20),

Ricoh Research Institute of General Electronics (RIGE) is a leading research organization focused on the development of cutting-edge technology in the field of general electronics. With a strong emphasis on innovation and collaboration, RIGE is dedicated to driving advancements in the industry and creating new solutions for a wide range of applications.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#121 in undefined, undefined

#155 in

#31,603 in US

Ricoh Research Institute of General Electronics

Forward Citations = 167

24 inventors:

Koichi Haga (4 out of 14 patents)

Kenji Yamamoto (4 out of 7 patents)

Masafumi Kumano (3 out of 16 patents)

4. Akishige Murakami (2 out of 14 patents)

5. Mitsuhiro Kohata (2 out of 4 patents)

Please report any incorrect information to support@idiyas.com

Loading…