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For the Inventor, By the Inventor

Machida, Japan

Kazuo Yoshinaga

This inventor holds 93 USPTO granted patents, plus 1 CIPO patent, primarily in Image Processing (CPC class 25229901). Top assignees: Canon Kabushiki Kaisha, Yamakawa Yakuhin Kogyo Kabushiki Kaisha, Cannon Kabushiki Kaisha. Active years: 1987-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Yoshinaga. Retrieved from https://idiyas.com/inventor/kazuo-yoshinaga

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

Calculating rank
USPTO Granted Patents = 93

% Patents Active = 100.0


Average Co-Inventor Count = 4.4

ph-index = 20

Forward Citations = 1,375(Granted Patents)

Forward Citations (Not Self Cited) = 1,203(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Yokohama, JP (1987)
  • Tokyo, JP (1987 - 1993)
  • Machida, JP (1988 - 2002)
  • Kawasaki, JP (1997 - 2002)

Company Filing History:

goldMedal91 out of 93,136 
 
Canon Kabushiki Kaisha
 patents
silverMedal2 out of 2 
 
Yamakawa Yakuhin Kogyo Kabushiki Kaisha
 patents
bronzeMedal1 out of 31 
 
Cannon Kabushiki Kaisha
 patents
4. 1 out of 1,235 
 
Nissan Chemical Industries Limited
 patents
5. 3 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1987-2002

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Areas of Expertise:
Image Reading Device
Electrophotographic Member
Liquid Crystal Device
Image Processing Apparatus
Charge Transporting Compound
Invisible Information Detection
Mesomorphic Compound
Optical Modulation Device
Display Apparatus
Recording Medium
Toner Production
Photosensitive Member
93 patents (USPTO):Explore Patents
1. 6486974 - Image reading device (2002-11-26),
2. 6376695 - Organosilicon-modified charge transporting compound and curable composition containing the compound and having charge transporting ability (2002-04-23),
3. 6296978 - Electrophotographic photosensitive member, a process-cartridge inclusive thereof, and an image forming apparatus (2001-10-02),
4. 6201616 - Method and apparatus for determining a predetermined pattern on an original based on visible and invisible information on the original (2001-03-13),
5. 6187495 - Yellow toner, process for producing the tower and image forming method using the toner (2001-02-13),
6. 6153879 - Invisible information detecting apparatus (2000-11-28),
7. 6094281 - Image reading device with offset faces for visible and non-visible light (2000-07-25),
8. 6078682 - Image processing apparatus and method, and image reading apparatus (2000-06-20),
9. 6051826 - Photosensor with filter for cutting off the input of invisible (2000-04-18),
10. 5910386 - Electrophotographic photosensitive member, and electrophotographic (1999-06-08),
11. 5905008 - Electrophotographic photosensitive member, and electrophotographic (1999-05-18),
12. 5888690 - Electrophotographic photosensitive member, a process-cartridge inclusive (1999-03-30),
13. 5879847 - Electrophotographic photosensitive member, a process-cartridge inclusive (1999-03-09),
14. 5834145 - Electrophotographic photosensitve member and image forming apparatus (1998-11-10),
15. 5818489 - Image forming apparatus and process cartridge having exposure device (1998-10-06),

Title: Kazuo Yoshinaga - Pioneering Japanese Inventor

Introduction: Kazuo Yoshinaga is a renowned inventor hailing from Machida, Japan. With a passion for innovation and a keen eye for detail, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Kazuo Yoshinaga holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy. His most recent patents focus on enhancing efficiency in industrial processes and improving sustainability in manufacturing.

Career Highlights: Throughout his illustrious career, Kazuo Yoshinaga has worked with leading tech companies in Japan, spearheading research and development projects that have led to cutting-edge inventions. His innovative solutions have revolutionized the way industries operate, setting new standards for efficiency and productivity.

Collaborations: Kazuo Yoshinaga has collaborated with top researchers, engineers, and scientists both in Japan and internationally. His collaborative efforts have resulted in the successful implementation of novel technologies in diverse sectors, showcasing his ability to work effectively in multidisciplinary teams.

Conclusion: In conclusion, Kazuo Yoshinaga stands as a visionary inventor whose dedication to pushing the boundaries of technology has left a lasting impact on the industry. His inventive spirit and commitment to excellence continue to inspire future generations of innovators worldwide.

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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