Kei Shirahata

This inventor holds 19 USPTO granted patents and 1 published patent application. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1993-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei Shirahata. Retrieved from https://idiyas.com/inventor/kei-shirahata

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

USPTO Granted Patents = 19 (Patent Applications = 1)

% Patents Active = 78.9

Average Co-Inventor Count = 6.7

ph-index = 3

Forward Citations = 47(Granted Patents)

Location History:

Sanda, JP (1993)
Hyogo, JP (1996 - 2005)
Tokyo, JP (2004 - 2007)

Company Filing History:

19 out of 21,351

Mitsubishi Denki Kabushiki Kaisha

patents

Years Active: 1993-2007

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19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7243357 - Disk device (2007-07-10),

2. 7059211 - Rack-and-pinion gear mechanism (2006-06-13),

3. 6996835 - Disk device (2006-02-07),

4. 6996034 - Disk device holding a plurality of disks at its inner diameter (2006-02-07),

5. 6954935 - Disk device (2005-10-11),

6. 6948178 - Disc drive (2005-09-20),

7. 6912720 - Disk device (2005-06-28),

8. 6907612 - Disc device (2005-06-14),

9. 6883173 - Disk device (2005-04-19),

10. 6842907 - Cartridge transfer device for a disk loading mechanism (2005-01-11),

11. 6817022 - Disk device (2004-11-09),

12. 6760914 - Disk reproducing apparatus (2004-07-06),

13. 6359854 - Disk reproducing apparatus (2002-03-19),

14. 5953307 - Disk reproducing apparatus for storing a plurality of cartridges (1999-09-14),

15. 5831965 - Cartridge changing device (1998-11-03),

Title: Kei Shirahata: Pioneering Inventor from Tokyo

Introduction: Kei Shirahata is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Kei Shirahata holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative spirit and forward-thinking approach.

Career Highlights: Throughout his illustrious career, Kei Shirahata has worked with leading research institutions and tech companies, spearheading projects that have revolutionized the way we interact with technology on a daily basis.

Collaborations: Kei Shirahata has collaborated with top universities and multinational corporations to bring his inventions to life, fostering a culture of innovation and excellence in the industry.

Conclusion: Kei Shirahata's dedication to pushing the boundaries of technology and his relentless pursuit of innovation have solidified his position as a trailblazer in the world of inventions.

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]

1 patent pending: