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For the Inventor, By the Inventor

Tsuchiura, Japan

Seiichi Kato

This inventor holds 12 USPTO granted patents and 3 published patent applications. Top assignees: Hitachi Media Electronics Co., Ltd., Hitachi, Ltd., Hitachi Consumer Electronics Co., Ltd.. Active years: 1986-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Kato. Retrieved from https://idiyas.com/inventor/seiichi-kato-nicbb002

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

USPTO Granted Patents = 12 

% Patents Active = 41.7

Average Co-Inventor Count = 5.0

ph-index = 4

Forward Citations = 37(Granted Patents)


Location History:

  • Ikejiri Aza Ishinoki, Itami-shi, Hyogo-ken, JP (1986)
  • Ibaraki-ken, JP (2000 - 2001)
  • Ibaraki, JP (2003)
  • Chiyoda, JP (2005)
  • Tsuchiura, JP (2011 - 2016)

Company Filing History:

goldMedal6 out of 203 
 
Hitachi Media Electronics Co., Ltd.
 patents
silverMedal2 out of 42,731 
 
Hitachi, Ltd.
 patents
bronzeMedal1 out of 365 
 
Hitachi Consumer Electronics Co., Ltd.
 patents
4. 1 out of 389 
 
Hitachi-Lg Data Storage, Inc.
 patents
5. 3 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1986-2016

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12 patents (USPTO):Explore Patents
1. 9247189 - Optical module and scan-type image projection display device (2016-01-26),
2. 9070380 - Objective lens driving apparatus, optical pickup (2015-06-30),
3. 8743668 - Objective lens drive device and optical pickup (2014-06-03),
4. 8407730 - Objective lens actuator for enabling to reduce the dynamic tilt between optical disc and objective lens (2013-03-26),
5. 8341657 - Lens driving mechanism for optical pickup and optical disc apparatus (2012-12-25),
6. 8199613 - Objective lens actuator and a thin-sized optical pickup with magnetic circuit having different lengthed magnets (2012-06-12),
7. 7990813 - Optical pickup device (2011-08-02),
8. 6871351 - Disc driving apparatus (2005-03-22),
9. 6608802 - Disk drive apparatus having improved power consumption (2003-08-19),
10. 6212140 - Objective lens driving device and optical disk unit (2001-04-03),
11. 6128258 - Tilt detection method and optical disk drive (2000-10-03),
12. 4622886 - Hydraulic control circuit system (1986-11-18),

Title: Seiichi Kato: Pioneering Inventor from Tsuchiura

Introduction: Seiichi Kato is a renowned inventor hailing from Tsuchiura, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Seiichi Kato holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over three decades, Seiichi Kato has worked with leading research institutions and tech companies, playing a pivotal role in the development of cutting-edge solutions that have revolutionized various industries.

Collaborations: Throughout his career, Seiichi Kato 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: Seiichi Kato'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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