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For the Inventor, By the Inventor

Osaka, Japan

Minolta Camera Co., Ltd.


USPTO Granted Patents = 76

Trademarks = 1

Forward Citations = 1,086

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141 inventors (with patents filed for the assignee):

goldMedal Nobuyuki Taniguchi (6 out of 245 patents)

silverMedal Tokuji Ishida (5 out of 151 patents)

bronzeMedal Masaaki Nakai (5 out of 135 patents)

4.  Masazumi Ito (4 out of 159 patents)

5.  Takanobu Yamada (4 out of 4 patents)

6.  Masataka Hamada (3 out of 148 patents)

7.  Munehiro Nakatani (3 out of 50 patents)

8.  Toshihiko Karasaki (3 out of 60 patents)

9.  Masamichi Kishi (3 out of 16 patents)

10.  Shinya Matsuda (2 out of 55 patents)

11.  Hideo Hotomi (2 out of 90 patents)

12.  Hideo Muramatsu (2 out of 30 patents)

13.  Noriyuki Okisu (2 out of 24 patents)

14.  Junji Hashimura (2 out of 32 patents)

15.  Akihiko Fujino (2 out of 69 patents)


Core Competencies:
Zoom Lens System
Image Forming Apparatus
Optical System
Image Projection Apparatus
Focus Detecting Device
Document Reading Apparatus
Laser Beam Scanning
Camera Exposure Control
Color Measuring Apparatus
Photographic Enlarger
Flash Photographing System
Compact Lens System

76 patents:

1. 5798625 - DC motor and controlling system therefor (1998-08-25),
2. 5633759 - Zoom lens system (1997-05-27),
3. 5369272 - Laser beam scanning apparatus having beam intensity control (1994-11-29),
4. 5359457 - Wide-angle zoom lens system (1994-10-25),
5. 5326298 - Light emitter for giving plasma light emission (1994-07-05),
6. 5221949 - Feeding timing control for an image forming apparatus (1993-06-22),
7. 5220395 - Image forming apparatus capable of indicating orientations for setting (1993-06-15),
8. 5194729 - Document reading apparatus with area recognizing sensor and obstacle (1993-03-16),
9. 5182672 - Finder optical system (1993-01-26),
10. 5182576 - Raster scanning apparatus (1993-01-26),
11. 5179462 - Laser beam composite apparatus (1993-01-12),
12. 5179392 - Multi-color image forming apparatus (1993-01-12),
13. 5173785 - Image forming apparatus (1992-12-22),
14. 5168403 - Zoom lens system (1992-12-01),
15. 5168299 - Camera with a multi-zone focus detecting device (1992-12-01),
Company Overview
Minolta Camera Co., Ltd., headquartered in Osaka, Japan, specializes in image formation technology, focusing on the development and manufacturing of advanced optical systems. The company is renowned for its innovations in zoom lens systems, image forming apparatus, and various imaging devices, including document reading apparatus and camera exposure control technologies. Minolta's expertise extends to laser beam scanning and focus detecting devices, positioning it as a key player in the imaging and optical industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

76 Patents

#144 in Osaka

#1,342 in Japan

#9,877 in the World

Osaka, JP
Osaka, Japan

Minolta Camera Co., Ltd.

Forward Citations = 1,086

141 inventors:

goldMedal Nobuyuki Taniguchi (6 out of 245 patents)

silverMedal Tokuji Ishida (5 out of 151 patents)

bronzeMedal Masaaki Nakai (5 out of 135 patents)

4.  Masazumi Ito (4 out of 159 patents)

5.  Takanobu Yamada (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Minolta Camera Co., Ltd.. Retrieved from https://idiyas.com/company/minolta-camera-company

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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