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Masatake Niwa

USPTO Granted Patents = 40

Average Co-Inventor Count = 4.9

ph-index = 10

Forward Citations = 360(Granted Patents)

Location History:

Sakai, JA (1978)
Osaka, JP (1986 - 1989)
Sakai, JP (1978 - 1997)

Company Filing History:

37 out of 2,979

Minolta Camera Kabushiki Kaisha

Minolta Camera K.k.

Years Active: 1978-1997

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Areas of Expertise:

Camera System

Display Device

Exposure Control

Flash Photography

Interchangeable Lens

Bayonet Mount

Single Lens Reflex

Motor Driven Camera

Photographic Devices

Electromagnetic Release

Camera Structure

Photographic Film Mechanism

40 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5659820 - Camera system (1997-08-19),

2. 5113217 - Display device for use in a camera (1992-05-12),

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. 5014083 - Display device for use in a camera (1991-05-07),

8. 4958184 - Display device for use in a camera (1990-09-18),

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. 4939534 - Flash photography system (1990-07-03),

13. 4933697 - Camera (1990-06-12),

14. 4866467 - Camera system (1989-09-12),

15. 4864341 - Mount arrangement and interchangeable lens unit for photographic camera (1989-09-05),

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