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For the Inventor, By the Inventor

Tokyo, Japan

Kazuhiko Hirooka

This inventor holds 20 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Hirooka. Retrieved from https://idiyas.com/inventor/kazuhiko-hirooka

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

USPTO Granted Patents = 20

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 10

Forward Citations = 382(Granted Patents)


Location History:

  • Tokyo, JP (1986 - 2002)
  • Numazu, JP (2001 - 2002)

Company Filing History:

goldMedal20 out of 92,901 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1986-2002

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20 patents (USPTO):Explore Patents
1. 6462834 - Image processing system which forms two-color images (2002-10-08),
2. 6397035 - Image forming apparatus with control of conveying speeds (2002-05-28),
3. 6385406 - Sheet detecting apparatus with correction means for sheet surface condition and sheet thickness (2002-05-07),
4. 6311039 - Sheet conveying apparatus and image forming apparatus provided with the same (2001-10-30),
5. 6134023 - Image forming apparatus which outputs a color image by separating color (2000-10-17),
6. 5905581 - Image forming apparatus (1999-05-18),
7. 5734484 - Image processing apparatus for receiving multicolor image information (1998-03-31),
8. 5710959 - Image forming apparatus having a function of turning on a power supply (1998-01-20),
9. 5699167 - Image forming apparatus which outputs a color image by separating color (1997-12-16),
10. 5638183 - Image forming apparatus with selectively controlled resolution (1997-06-10),
11. 5574563 - Method and apparatus for forming images at different degrees of (1996-11-12),
12. 5488463 - Image forming apparatus to form images onto a sheet a plurality of times (1996-01-30),
13. 5473415 - Image forming apparatus having a converter for image data characteristics (1995-12-05),
14. 5465163 - Image processing method and apparatus for processing oversized original (1995-11-07),
15. 5272544 - Digital/analog converter and image processing apparatus using the same (1993-12-21),

Title: Kazuhiko Hirooka - Pioneering Inventor from Tokyo, JP

Introduction: Kazuhiko Hirooka is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hirooka's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable technology for healthcare monitoring, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Hirooka has worked with leading tech companies in Japan, spearheading projects that have revolutionized various industries.

Collaborations: Throughout his career, Hirooka has collaborated with top universities and research institutions in Japan, fostering a culture of innovation and knowledge-sharing within the scientific community.

Conclusion: Kazuhiko Hirooka's dedication to pushing the boundaries of technology and his passion for creating solutions that improve lives make him a true visionary in the world of inventions.

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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