Tatsunori Ishiyama

This inventor holds 19 USPTO granted patents, primarily in Image Processing Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1991-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsunori Ishiyama. Retrieved from https://idiyas.com/inventor/tatsunori-ishiyama

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

Calculating rank

USPTO Granted Patents = 19

% Patents Active = 84.2

Average Co-Inventor Count = 4.1

ph-index = 14

Forward Citations = 382(Granted Patents)

Location History:

Yokohama, JP (1991 - 2000)
Shizuoka-ken, JP (2005)
Shizuoka, JP (2005)
Numazu, JP (2006)

Company Filing History:

19 out of 93,136

Canon Kabushiki Kaisha

patents

Years Active: 1991-2006

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Areas of Expertise:

Image Forming Apparatus

Electrostatic Transfer

Developer Charging

Image Heating Device

Fixing Apparatus

Variable Dot Image

Transfer Device

Coated Developing Roller

Charging Member

Constant Voltage

Thermal Expansion

Elastic Regulating Member

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6987939 - Image forming apparatus with two cleaning electric fields for transferring developer from a developer charging device onto an image bearing member (2006-01-17),

2. 6980749 - Image forming apparatus with control feature based on transfer material discrimination (2005-12-27),

3. 6956594 - Image forming apparatus including two image bearing members and featuring a variable dot image (2005-10-18),

4. 6947695 - Image forming apparatus including two image forming members and featuring a dot-shaped image (2005-09-20),

5. 6084208 - Image heating device which prevents temperature rise in non-paper (2000-07-04),

6. 5801360 - Image fixing apparatus (1998-09-01),

7. 5646717 - Image forming apparatus having charging member (1997-07-08),

8. 5621510 - Image heating apparatus with driving roller having low thermal expansion (1997-04-15),

9. 5459558 - Charging device, image forming apparatus with same and a process unit (1995-10-17),

10. 5285245 - Electrostatic transfer type image forming apparatus with recording (1994-02-08),

11. 5253024 - Fixing apparatus with rectifier element (1993-10-12),

12. 5202729 - Developing apparatus having a coated developing roller (1993-04-13),

13. 5185496 - Electrostatic latent image device having a coating layer provided on a (1993-02-09),

14. 5179397 - Image forming apparatus with constant voltage and constant current (1993-01-12),

15. 5177537 - Developing apparatus with elastic regulating member urged to a developer (1993-01-05),

Title: Tatsunori Ishiyama: Pioneering Inventor from Yokohama

Introduction: Tatsunori Ishiyama is a renowned inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Tatsunori Ishiyama holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Ishiyama has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Tatsunori Ishiyama has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Tatsunori Ishiyama's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology in Japan and beyond.

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]