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Kawachinagano, Japan

Hiromu Mukai

USPTO Granted Patents = 69

Average Co-Inventor Count = 3.2

ph-index = 14

Forward Citations = 928(Granted Patents)

Forward Citations (Not Self Cited) = 891(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Osaka, JP (1989 - 2003)
Kawachinagano, JP (1985 - 2006)

Company Filing History:

48 out of 2,979

Minolta Camera Kabushiki Kaisha

18 out of 2,816

Minolta Company, Ltd.

Minolta Camera Co., Ltd.

Minolata Co., Ltd.

Minaltacco., Ltd.

Years Active: 1985-2006

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Areas of Expertise:

Image Pickup Device

Image Sensing Apparatus

Communication Device

Diffractive Optical Element

Focusing Screen

Antistatic Viewfinder

Zoom Lens System

Viewfinder Optical System

Exposure Control Device

Camera System

Focus Detection Apparatus

Light Measuring Device

69 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7142241 - Image pickup device (2006-11-28),

2. 6741760 - Image sensing apparatus which intentionally retains longitudinal chromatic aberration (2004-05-25),

3. 6628320 - Communication device having an image transmission function (2003-09-30),

4. 6590709 - Diffractive optical element and method of manufacturing a mold (2003-07-08),

5. 6516152 - Focusing screen for use in camera (2003-02-04),

6. 6266490 - Antistatic viewfinder (2001-07-24),

7. 6215961 - Camera (2001-04-10),

8. 6215603 - Lens holding structure in a lens block forming all or part of an optical system and method of assembling the lens block (2001-04-10),

9. 6052234 - Viewfinder optical system (2000-04-18),

10. 6011648 - Optical system having an optical element made of resin (2000-01-04),

11. 6005712 - Zoom viewfinder system for single reflex camera (1999-12-21),

12. 5995286 - Diffractive optical element, an optical system having a diffractive (1999-11-30),

13. 5978149 - Zoom lens system (1999-11-02),

14. 5978145 - Viewfinder optical system (1999-11-02),

15. 5966244 - Viewfinder optical system (1999-10-12),

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