% Expired Patents = 20.0

Forward Citations = 47

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10 inventors (with patents filed for the assignee):

Takashi Kubota (2 out of 36 patents)

Hiroshi Kamada (2 out of 31 patents)

Morito Shiohara (2 out of 20 patents)

4. Fumio Amano (1 out of 1 patent)

5. Takao Sugano (1 out of 9 patents)

6. Yukihiro Matsushita (1 out of 4 patents)

7. Hiroshi Komatsuda (1 out of 4 patents)

8. Masayuki Katori (1 out of 5 patents)

9. Kenichi Ishizaka (1 out of 14 patents)

10. Akihito Kiyaji (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 6871175 - Voice encoding apparatus and method therefor (2005-03-22),

2. 6411325 - Optical unit, and electrophotographic recording device having same (2002-06-25),

3. 5872858 - Moving body recognition apparatus (1999-02-16),

4. 5684886 - Moving body recognition apparatus (1997-11-04),

5. 5621395 - Networking apparatus which detects a stoppage of data transfer in a (1997-04-15),

Company Overview

Fujitsu Limited Kawasaki is a subsidiary of Fujitsu Limited, a Japanese multinational information technology equipment and services company. Based in Kawasaki, Japan, Fujitsu Limited Kawasaki specializes in developing innovative technology solutions for businesses and organizations worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#76 in Kawasaki

#6,652 in Japan

Kawasaki, Japan

Fujitsu Limited Kawasaki

Forward Citations = 47

10 inventors:

Takashi Kubota (2 out of 36 patents)

Hiroshi Kamada (2 out of 31 patents)

Morito Shiohara (2 out of 20 patents)

4. Fumio Amano (1 out of 1 patent)

5. Takao Sugano (1 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fujitsu Limited Kawasaki. Retrieved from https://idiyas.com/company/fujitsu-kawasaki

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

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]