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Masatake Kato

USPTO Granted Patents = 45

Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 389(Granted Patents)

Location History:

Kunitachi, JP (1983 - 2002)
Tokyo, JP (1984 - 2007)

Company Filing History:

44 out of 90,756

Canon Kabushiki Kaisha

where one patent can have more than one assignee

Years Active: 1983-2007

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Areas of Expertise:

Camera System

Zoom Lens

Optical Filter

Image Processing

Solid-State Image Sensor

Finder Optical Device

Telephoto Zoom Lens

Wide Angle Objective

Photographic Optical Apparatus

Focus Detecting Device

Projection Optical System

Light Measuring Instrument

45 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7193651 - Camera system, lens apparatus and camera (2007-03-20),

2. 6467912 - Projection optical system and projection apparatus (2002-10-22),

3. 6148031 - Image processing apparatus and method (2000-11-14),

4. 6104548 - Zoom lens (2000-08-15),

5. 5790902 - Zoom lens (1998-08-04),

6. 5682203 - Solid-state image sensing device and photo-taking system utilizing (1997-10-28),

7. 5173805 - Focusing method for zoom lens (1992-12-22),

8. 4998801 - Optical low-pass filter and photographic system using the same (1991-03-12),

9. 4973995 - Camera system and attachment lens with integral lens sections (1990-11-27),

10. 4969723 - Parallax adjusting mechanism for a finder device (1990-11-13),

11. 4964686 - Finder optical device (1990-10-23),

12. 4912500 - Single lens reflex camera (1990-03-27),

13. 4910545 - Finder optical system (1990-03-20),

14. 4855814 - Video camera body and detachable lens each containing a memory for (1989-08-08),

15. 4854681 - Compact zoom lens (1989-08-08),

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