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Kawasaki, Japan

Fujitsu Limied

USPTO Granted Patents = 31

% Expired Patents = 64.5

Forward Citations = 219

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89 inventors (with patents filed for the assignee):

Tatsuya Ito (1 out of 4 patents)

Shinji Narukawa (1 out of 2 patents)

Hiroshi Matsuyama (1 out of 2 patents)

4. Hirotaka Tamura (1 out of 101 patents)

5. Takahiro Kojima (1 out of 34 patents)

6. Tetsuro Yamada (1 out of 27 patents)

7. Yoshiyuki Hiroshima (1 out of 21 patents)

8. Kohei Choraku (1 out of 25 patents)

9. Akiko Matsui (1 out of 24 patents)

10. Kensuke Hanaoka (1 out of 3 patents)

11. Hiroki Kimura (1 out of 1 patent)

12. Toshiharu Makida (1 out of 10 patents)

13. Masuo Ohnishi (1 out of 57 patents)

14. Tatsuya Kikuzuki (1 out of 20 patents)

15. Sayaka Yoshizu (1 out of 6 patents)

Core Competencies:

Information Processing

Wireless Communication

Optical Transmission

Storage System

Authentication Method

Biometrics

Magnetic Recording

Cooling Device

Semiconductor Memory

Navigation Method

Delay Circuit

Optical Receiver

31 patents: Sort by Forward Citations

1. 11341336 - Recording medium, conversation control method, and information processing apparatus (2022-05-24),

2. 10747432 - Storage device, storage system, and storage control method (2020-08-18),

3. 10367665 - Radio analyzer and detecting method (2019-07-30),

4. 9228845 - Navigation device, navigation method, and program (2016-01-05),

5. 9188743 - Optical coupling structure and optical transmission apparatus (2015-11-17),

6. 9153278 - Storage system and control apparatus (2015-10-06),

7. 9002360 - Reception quality measurement method and mobile terminal apparatus (2015-04-07),

8. 8930485 - Information processing apparatus and non-transitory computer-readable recording medium having program stored thereon (2015-01-06),

9. 8677455 - Authentication method (2014-03-18),

10. 8634454 - Receiver circuit, method of adjusting offset, and transmission/reception system (2014-01-21),

11. 8396500 - Connection destination base station determination device (2013-03-12),

12. 8379690 - Wireless receiver, wireless communication system, and wireless communication method (2013-02-19),

13. 8306369 - Optical hybrid circuit, optical receiver, and optical receiving method (2012-11-06),

14. 8068744 - Optical transmitter (2011-11-29),

15. 8051321 - Cluster system and node switching method (2011-11-01),

Fujitsu Limited is a leading Japanese information and communication technology company, specializing in a wide range of services and products. The company focuses on areas such as cloud computing, AI, and cybersecurity, providing innovative solutions to enhance business efficiency and security. With a strong commitment to research and development, Fujitsu is at the forefront of technological advancements, catering to various sectors including healthcare, finance, and manufacturing, primarily serving clients in Asia and beyond.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

31 Patents

#31 in Kawasaki

#2,269 in Japan

#21,217 in the World

Kawasaki, Japan

Fujitsu Limied

Forward Citations = 219

89 inventors:

Tatsuya Ito (1 out of 4 patents)

Shinji Narukawa (1 out of 2 patents)

Hiroshi Matsuyama (1 out of 2 patents)

4. Hirotaka Tamura (1 out of 101 patents)

5. Takahiro Kojima (1 out of 34 patents)

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