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For the Inventor, By the Inventor

Kanagawa, Japan

Yasunori Ishigaya

This inventor holds 61 USPTO granted patents and 8 published patent applications and 6 EPO patents, primarily in Image Forming Apparatus (CPC class G03G). Top assignee: Ricoh Company, Ltd.. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunori Ishigaya. Retrieved from https://idiyas.com/inventor/yasunori-ishigaya

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

Calculating rank
USPTO Granted Patents = 61 

% Patents Active = 65.6

 

Average Co-Inventor Count = 4.5

ph-index = 7

Forward Citations = 160(Granted Patents)

Forward Citations (Not Self Cited) = 151(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yokohama, JP (2011 - 2014)
  • Kanagawa, JP (2013 - 2024)

Company Filing History:

goldMedal61 out of 28,951 
 
Ricoh Company, Ltd.
 patents

Years Active: 2011-2026

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Areas of Expertise:
Image Forming Apparatus
Fixing Device
Heating Device
Sheet Conveyor
Cleaning Method
Temperature Control
Electromagnetic Induction
Recording Media
Substrate Covering
Rotatable Light Shield
Conveyance Device
Surface Cleaning
61 patents (USPTO):Explore Patents
1. 12761590 - Heating device including thermal conductor having arm and projection, fixing device, and image forming apparatus (2026-10-13),
2. 12699341 - Heating device with asymmetrically configured thermal conductor, fixing device, and image forming apparatus (2026-08-04),
3. 12210303 - Sheet conveyor and image forming apparatus incorporating the sheet conveyor (2025-01-28),
4. 12174565 - Heating device, fixing device, and image forming apparatus with a single sheet sensor (2024-12-24),
5. 12085877 - Conveyance device and image forming apparatus (2024-09-10),
6. 12025935 - Heating device, fixing device, and image forming apparatus (2024-07-02),
7. 11971674 - Heating device, fixing device, and image forming apparatus (2024-04-30),
8. 11934126 - Heating device, fixing device, and image forming apparatus (2024-03-19),
9. 11687020 - Heating device, fixing device, and image forming apparatus (2023-06-27),
10. 11500314 - Image forming apparatus and cleaning method (2022-11-15),
11. 11256200 - Fixing device, heating device, and image forming device with a substrate covering member covering a relay substrate (2022-02-22),
12. 10852671 - Fixing device including a cleaner to clean a surface of a cleaning target and image forming apparatus incorporating same (2020-12-01),
13. 10678170 - Fixing device and image forming apparatus (2020-06-09),
14. 10156818 - Fixing device and image forming apparatus (2018-12-18),
15. 10152006 - Fixing device and image forming apparatus (2018-12-11),

Title: Yasunori Ishigaya - Pioneering Inventor from Kanagawa, JP

Introduction: Yasunori Ishigaya is a renowned inventor hailing from Kanagawa, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yasunori Ishigaya holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his continuous commitment to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Ishigaya has worked with leading tech companies, research institutions, and universities, playing a key role in developing cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Yasunori Ishigaya has collaborated with top engineers, scientists, and inventors from around the world, fostering a culture of innovation and knowledge sharing that has led to numerous successful projects and inventions.

Conclusion: Yasunori Ishigaya's passion for innovation, coupled with his relentless pursuit of excellence, has solidified his reputation as a visionary inventor whose work continues to inspire and shape the future of 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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