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Ricoh Imaging Company, Ltd.

USPTO Granted Patents = 94

EPO Patents = 15

Trademarks = 16

Forward Citations = 89

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67 inventors (with patents filed for the assignee):

Tatsuyuki Onozaki (7 out of 8 patents)

Masakazu Terauchi (6 out of 13 patents)

Masakazu Saori (6 out of 38 patents)

4. Eiichi Ito (5 out of 10 patents)

5. Masahiro Inazuka (5 out of 8 patents)

6. Kosei Kosako (5 out of 48 patents)

7. Masashi Miyata (4 out of 20 patents)

8. Yasuhiro Yamamoto (4 out of 122 patents)

9. Kazuhiro Akiyama (4 out of 12 patents)

10. Yuji Kogure (4 out of 10 patents)

11. Toshiaki Yamada (4 out of 40 patents)

12. Hiroyuki Nakayama (3 out of 31 patents)

13. Minoru Murayama (3 out of 12 patents)

14. Takahiro Kobayashi (3 out of 58 patents)

15. Naohito Sasaki (3 out of 7 patents)

Core Competencies:

Tripod Mechanism

Anti-Reflection Coating

Finder Optical System

Lens Barrel

Zoom Lens System

Shake Correction Device

Imaging Apparatus

Photographing Apparatus

Optical Low-Pass Filter

Image Processing

Lead Screw Device

Eyepiece Optical System

94 patents: Sort by Forward Citations

1. 10908385 - Mechanism for attaching and detaching tripod seat (2021-02-02),

2. 10782452 - Anti-reflection coating and optical member comprising same (2020-09-22),

3. 10634975 - Finder optical system (2020-04-28),

4. 10495841 - Lens barrel and imaging device (2019-12-03),

5. 10483785 - Power information management device and power information management system (2019-11-19),

6. 10473882 - Lead screw device, lens driver, lens barrel, and camera using the lead screw device (2019-11-12),

7. 10432862 - Imaging apparatus, image projector apparatus, and stage apparatus (2019-10-01),

8. 10419694 - Method and apparatus for imaging an object (2019-09-17),

9. 10397502 - Method and apparatus for imaging an object (2019-08-27),

10. 10341577 - Imaging apparatus (2019-07-02),

11. 10341567 - Photographing apparatus (2019-07-02),

12. 10338360 - Zoom lens system (2019-07-02),

13. 10310241 - Zoom lens system (2019-06-04),

14. 10295808 - Zoom lens system having third lens group with air lens formed of adjacent negative and positive single lens elements (2019-05-21),

15. 10281692 - Zoom lens system and electronic imaging apparatus using the same (2019-05-07),

RICOH IMAGING COMPANY, LTD. is a leading manufacturer of innovative imaging products. With a rich history dating back to 1919, the company has been at the forefront of technological advancements in the field of digital imaging. RICOH is renowned for its lineup of high-quality cameras, lenses, and accessories, catering to both professional and amateur photographers. The company's commitment to excellence and customer satisfaction has earned them a strong presence in the global imaging industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

94 Patents

#489 in Tokyo

#1,137 in Japan

#7,974 in the World

Ricoh Imaging Company, Ltd.

Forward Citations = 89

67 inventors:

Tatsuyuki Onozaki (7 out of 8 patents)

Masakazu Terauchi (6 out of 13 patents)

Masakazu Saori (6 out of 38 patents)

4. Eiichi Ito (5 out of 10 patents)

5. Masahiro Inazuka (5 out of 8 patents)

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