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For the Inventor, By the Inventor

Kawachinagano, Japan

Hiromu Mukai

This inventor holds 69 USPTO granted patents, primarily in Optical Systems (CPC class 3544). Top assignees: Minolta Camera Kabushiki Kaisha, Minolta Company, Ltd., Minaltacco., Ltd.. Active years: 1985-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiromu Mukai. Retrieved from https://idiyas.com/inventor/hiromu-mukai

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

USPTO Granted Patents = 69

% Patents Active = 98.6

Average Co-Inventor Count = 3.2

ph-index = 14

Forward Citations = 932(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:

goldMedal48 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents
silverMedal19 out of 2,816 
 
Minolta Company, Ltd.
 patents
bronzeMedal1 out of 1 
 
Minaltacco., Ltd.
 patent
4. 1 out of 76 
 
Minolta Camera Co., Ltd.
 patents

Years Active: 1985-2006

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Areas of Expertise:
Image Pickup Device
Camera
Optical System
Zoom Lens System
Viewfinder Optical System
Diffractive Optical Element
Finder Display Apparatus
Temperature Compensation
Exposure Control
Remote Controllable Camera
Lens Holding Structure
Blurring Correction
69 patents (USPTO):Explore 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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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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