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Akira Yamanaka

This inventor holds 29 USPTO granted patents, primarily in Camera Technology. Top assignee: Minolta Camera Kabushiki Kaisha. Active years: 1976-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akira Yamanaka. Retrieved from https://idiyas.com/inventor/akira-yamanaka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 29

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 11

Forward Citations = 303(Granted Patents)

Location History:

Sakai, JA (1976 - 1978)
Osaka, JP (1988 - 1991)
Sakai, JP (1978 - 1994)

Company Filing History:

29 out of 2,979

Minolta Camera Kabushiki Kaisha

Years Active: 1976-1994

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Areas of Expertise:

Camera

Electronic Circuitry

Automatic Focusing

Flash Device

Film Cartridge

Lens Cover

Photography Modes

Battery Compartment

Power Supply

Film Winding

Control Device

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29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5307101 - Camera using film cartridge (1994-04-26),

2. 5235378 - Electronic circuit for a camera having means for suspending operation of (1993-08-10),

3. 5051765 - Camera (1991-09-24),

4. 4990944 - Camera including a lens cover (1991-02-05),

5. 4975721 - Electronic circuitry for photographic camera (1990-12-04),

6. 4967217 - Camera system (1990-10-30),

7. 4959679 - Camera system (1990-09-25),

8. 4956656 - Control device for use in a camera having a consecutive picture taking (1990-09-11),

9. 4910547 - Lens driving system for automatic focusing zone focus camera (1990-03-20),

10. 4857946 - Film winding-up system for photographic camera (1989-08-15),

11. 4853302 - Battery compartment (1989-08-01),

12. 4849779 - Moving driving device of camera (1989-07-18),

13. 4841318 - Camera system with mode selecting device (1989-06-20),

14. 4814813 - Camera with a flash device (1989-03-21),

15. 4760414 - Electronic circuitry for photographic camera (1988-07-26),

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Profile summary based on public USPTO records.

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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