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Pentax Ricoh Imaging Company, Ltd.

USPTO Granted Patents = 123

EPO Patents = 1

Trademarks = 8

Forward Citations = 247

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74 inventors (with patents filed for the assignee):

Yukio Uenaka (9 out of 73 patents)

Hiroyasu Uehara (9 out of 10 patents)

Teppei Okamoto (8 out of 20 patents)

4. Yasuhiro Yamamoto (6 out of 122 patents)

5. Masakazu Saori (6 out of 38 patents)

6. Kazuhiro Yamada (6 out of 14 patents)

7. Hiroyuki Nakayama (5 out of 31 patents)

8. Hiroyuki Tanaka (5 out of 72 patents)

9. Masayuki Kamimura (5 out of 7 patents)

10. Makoto Ohta (5 out of 16 patents)

11. Toshiaki Yamada (5 out of 40 patents)

12. Shigenori Fujio (5 out of 7 patents)

13. Yuichi Kurosawa (4 out of 59 patents)

14. Koji Kato (4 out of 8 patents)

15. Naoto Kawanami (4 out of 4 patents)

Core Competencies:

Digital Camera

Zoom Lens System

Imaging Device

Optical Equipment

Image Processing

Diaphragm Control

Photographing Apparatus

Celestial Object Tracking

Shock-Absorbing Mechanism

Macro Lens System

Focusing Image Verification

Bokeh Effect

123 patents: Sort by Forward Citations

1. 9544502 - Dark exposure control device (2017-01-10),

2. 9152011 - Diaphragm control apparatus of interchangeable lens camera (2015-10-06),

3. 9103967 - Gear mechanism (2015-08-11),

4. 9094581 - Imaging device and distance information detecting method (2015-07-28),

5. 9086530 - Optical equipment (2015-07-21),

6. 9069064 - Method of automatically tracking and photographing celestial objects and photographic apparatus employing this method (2015-06-30),

7. 9025032 - Imaging system and pixel signal readout method (2015-05-05),

8. 9001440 - Macro lens system (2015-04-07),

9. 8994850 - Apparatus and method for photographing information management (2015-03-31),

10. 8988540 - Photographing apparatus where an image is obtained by an intermittent photographing operation (2015-03-24),

11. 8976460 - Varifocal lens barrel (2015-03-10),

12. 8970968 - Photographing lens system (2015-03-03),

13. 8964100 - Digital camera (2015-02-24),

14. 8947586 - Diaphragm control apparatus of interchangeable lens camera (2015-02-03),

15. 8931968 - Portable device with display function (2015-01-13),

PENTAX RICOH IMAGING COMPANY, LTD. is a renowned manufacturer of high-quality optical products and imaging solutions. With a rich heritage dating back to 1919, the company excels in producing innovative cameras, lenses, and binoculars for both professional and consumer use. Their commitment to providing cutting-edge technology and exceptional performance has established them as a leading brand in the imaging industry. Visit their website to explore their range of products and learn more about their contributions to the world of photography.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

123 Patents

#431 in Tokyo

#969 in Japan

#6,324 in the World

Pentax Ricoh Imaging Company, Ltd.

Forward Citations = 247

74 inventors:

Yukio Uenaka (9 out of 73 patents)

Hiroyasu Uehara (9 out of 10 patents)

Teppei Okamoto (8 out of 20 patents)

4. Yasuhiro Yamamoto (6 out of 122 patents)

5. Masakazu Saori (6 out of 38 patents)

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