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For the Inventor, By the Inventor

Nara, Japan

Toshiyasu Shirasuna

This inventor holds 32 USPTO granted patents and 2 published patent applications and 1 EPO patent, primarily in Electrophotographic Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1992-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyasu Shirasuna. Retrieved from https://idiyas.com/inventor/toshiyasu-shirasuna

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

USPTO Granted Patents = 32 

% Patents Active = 65.6

 

Average Co-Inventor Count = 4.8

ph-index = 6

Forward Citations = 215(Granted Patents)


Location History:

  • Nagahama, JP (1992 - 1997)
  • Shizuoka-ken, JP (2002)
  • Nara-ken, JP (2003)
  • Nara, JP (2000 - 2005)
  • Shizuoka, JP (2004 - 2009)
  • Mishima, JP (2002 - 2017)
  • Moriya, JP (2021)

Company Filing History:

goldMedal32 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1992-2026

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Areas of Expertise:
Electrophotographic Apparatus
Photosensitive Member
Plasma Treatment
Vacuum Processing
Film Forming
Microwave Plasma
Semiconductor Manufacturing
Chemical Vapor Deposition
32 patents (USPTO):Explore Patents
1. 12541157 - Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method of producing electrophotographic photosensitive member (2026-02-03),
2. 12523943 - Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method of producing electrophotographic photosensitive member (2026-01-13),
3. 10976682 - Method for controlling electrophotographic apparatus (2021-04-13),
4. 9588447 - Electrophotographic photosensitive member, method for manufacturing the same, and electrophotographic apparatus (2017-03-07),
5. 9091948 - Electrophotographic photosensitive member, method for manufacturing the same, and electrophotographic apparatus (2015-07-28),
6. 7550180 - Plasma treatment method (2009-06-23),
7. 7051671 - Vacuum processing apparatus in which high frequency powers having mutually different frequencies are used to generate plasma for processing an article (2006-05-30),
8. 6946167 - Deposited film forming apparatus and deposited film forming method (2005-09-20),
9. 6861373 - Vacuum processing method and semiconductor device manufacturing method in which high-frequency powers having mutually different frequencies are applied to at least one electrode (2005-03-01),
10. 6849123 - Plasma processing method and method for manufacturing semiconductor device (2005-02-01),
11. 6761128 - Plasma treatment apparatus (2004-07-13),
12. 6702898 - Deposited film forming apparatus (2004-03-09),
13. 6696108 - Vacuum processing method (2004-02-24),
14. 6649020 - Plasma processing apparatus (2003-11-18),
15. 6486045 - Apparatus and method for forming deposited film (2002-11-26),

Title: Toshiyasu Shirasuna - Pioneering Inventor from Nara, JP

Introduction: Toshiyasu Shirasuna is a renowned inventor hailing from the historic city of Nara, 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: Shirasuna's latest patents focus on advancements in renewable energy technologies, particularly in the development of solar power systems that are more efficient and cost-effective. His innovative approach has garnered attention from industry experts worldwide.

Career Highlights: Throughout his illustrious career, Shirasuna has been instrumental in the creation of cutting-edge solutions for sustainable energy production. His work has not only revolutionized the way we harness solar power but has also paved the way for a greener and more environmentally friendly future.

Collaborations: Shirasuna has collaborated with leading research institutions and technology companies to further his research and bring his inventions to life. His ability to work across disciplines and industries has led to the successful implementation of his ideas on a global scale.

Conclusion: Toshiyasu Shirasuna's dedication to innovation and his commitment to creating a more sustainable world have solidified his reputation as a trailblazing inventor in the field of renewable energy. His work continues to inspire future generations of inventors to push the boundaries of what is possible in technology.

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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