Kazuhiko Yamazaki

This inventor holds 50 USPTO granted patents, primarily in Portable Computing Devices (CPC class D141). Top assignees: International Business Machines Corporation, Lenovo (Singapore) Pte. Ltd., Yamashin Filter Manufacturing Corp.. Active years: 1989-2006.

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

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

USPTO Granted Patents = 50

% Patents Active = 96.0

Average Co-Inventor Count = 1.7

ph-index = 14

Forward Citations = 587(Granted Patents)

Forward Citations (Not Self Cited) = 577(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Hiratuka, JP (1993 - 1997)
Kanagawa-ken, JP (1997)
Kanagawa, JP (1989 - 1998)
Hiratuska, JP (2004)
Hiratsuka, JP (1993 - 2006)

Company Filing History:

47 out of 166,351

International Business Machines Corporation

patents

2 out of 4,442

Lenovo (Singapore) Pte. Ltd.

patents

1 out of 1

Yamashin Filter Manufacturing Corp.

patent

Years Active: 1989-2006

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Areas of Expertise:

Portable Computer

Docking Station

Multimedia Player

Display Unit

Personal Computer

Optical Drive

Keyboard

Infra-Red Communication

Camera Unit

Force-Controlled Pointing Stick

Computer Housing

User Friendly Equipment

50 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7148874 - Angle adjusting device for a display (2006-12-12),

2. 7057603 - Notebook computer force-controlled pointing stick device (2006-06-06),

3. 6807055 - Connection enhancement apparatus and information processing apparatus (2004-10-19),

4. 6788530 - User friendly computer equipment, monitor unit, and monitor unit setting base (2004-09-07),

5. 6398437 - Keyboard and computer (2002-06-04),

6. D398909 - Portable multimedia CD-ROM player (1998-09-29),

7. D396701 - Notebook computer (1998-08-04),

8. D396454 - Docking unit for a portable computer (1998-07-28),

9. 5762792 - Filter (1998-06-09),

10. D389819 - Docking station for a portable computer (1998-01-27),

11. D388057 - Pair of mouse drag buttons (1997-12-23),

12. D384652 - Portable personal computer (1997-10-07),

13. D383731 - Personal computer housing (1997-09-16),

14. D382257 - Optical drive unit (1997-08-12),

15. D381978 - Personal computer infra-red communication device (1997-08-05),

Title: Kazuhiko Yamazaki: Pioneering Inventor from Hiratsuka

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

Latest Patents: Yamazaki's latest patents include advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating a more efficient and sustainable future.

Career Highlights: With a career spanning over two decades, Yamazaki has worked with leading tech companies in Japan, spearheading research and development projects that have resulted in numerous successful inventions and patents.

Collaborations: Throughout his career, Yamazaki has collaborated with top researchers, engineers, and scientists both in Japan and internationally, fostering a culture of innovation and knowledge-sharing in the tech industry.

Conclusion: Kazuhiko Yamazaki's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his reputation as a visionary inventor in the global tech community.

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]