logo

For the Inventor, By the Inventor

Sennan, Japan

Masayoshi Sahara

This inventor holds 52 USPTO granted patents, primarily in Camera Technology (CPC class 354 ). Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Camera K.k., Minolta Camera Corporation. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayoshi Sahara. Retrieved from https://idiyas.com/inventor/masayoshi-sahara

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

USPTO Granted Patents = 52

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 12

Forward Citations = 563(Granted Patents)

Forward Citations (Not Self Cited) = 523(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Toyokawa, JA (1976)
  • Sakai, JA (1976 - 1977)
  • Sennan, JA (1978)
  • Sannan, JP (1979)
  • Osaka, JP (1985)
  • Sennan, JP (1979 - 1997)

Company Filing History:

goldMedal49 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
silverMedal2 out of 10 
 
Minolta Camera K.k.
 patents
bronzeMedal1 out of 5 
 
Minolta Camera Corporation
 patents

Years Active: 1976-1997

Loading Chart...
Areas of Expertise:
Camera System
Exposure Control
Interchangeable Lenses
Data Transfer
Power Source Switch
Diaphragm Control
Analog-to-Digital Converter
Electronic Flash Control
Automatic Self-Timer
Camera Accessory
Smoothing Circuit
Audible Indication
52 patents (USPTO):Explore Patents
1. 5659820 - Camera system (1997-08-19),
2. 5311245 - Camera system operable by carrying data from a camera accessory to a (1994-05-10),
3. 5111234 - Camera system with means for varying exposure control data (1992-05-05),
4. 5075710 - Camera with manually operable means for designating and altering the (1991-12-24),
5. 5041861 - Camera system with means for detecting the condition of back-up power (1991-08-20),
6. 5036350 - Camera system (1991-07-30),
7. 4974000 - Camera system operable by carrying data from a camera accessory (1990-11-27),
8. 4970541 - Camera system operable by carrying data from a camera accessory to a (1990-11-13),
9. 4956661 - Camera system (1990-09-11),
10. 4952959 - Camera system (1990-08-28),
11. 4947203 - Camera system for alternately indicating exposure time data, aperture (1990-08-07),
12. 4912498 - Camera system capable of interchanging its objective lens (1990-03-27),
13. 4866467 - Camera system (1989-09-12),
14. 4860046 - Camera system (1989-08-22),
15. 4857953 - Camera system (1989-08-15),

Couldn't find inventor

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]
Loading…