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Kawasaki, Japan

Fijitsu Limited

USPTO Granted Patents = 25

CIPO Patents = 2

Forward Citations = 217

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72 inventors (with patents filed for the assignee):

Shigeru Hashimoto (2 out of 59 patents)

Takayuki Hasebe (1 out of 61 patents)

Yoshihiro Kawasaki (1 out of 190 patents)

4. Tomoyuki Akiyama (1 out of 52 patents)

5. Osamu Tsuboi (1 out of 97 patents)

6. Yuji Nomura (1 out of 86 patents)

7. Satoshi Sato (1 out of 13 patents)

8. Takeshi Yasuie (1 out of 40 patents)

9. Koichi Maeda (1 out of 7 patents)

10. Takumi Takeno (1 out of 6 patents)

11. Takayuki Shibasaki (1 out of 28 patents)

12. Takayoshi Ode (1 out of 129 patents)

13. Yoshiyasu Sugimura (1 out of 31 patents)

14. Satoshi Ueda (1 out of 93 patents)

15. Taichi Sugiyama (1 out of 13 patents)

25 patents: Sort by Forward Citations

1. 11568204 - Optimization apparatus and control method thereof (2023-01-31),

2. 9036593 - Communications apparatus and communications system using multicarrier transmission mode (2015-05-19),

3. 8996694 - Computer-readable recording medium, information processing method, and information processing apparatus (2015-03-31),

4. 8412958 - Target device, method and system for managing device, and external device (2013-04-02),

5. 7443574 - Optical transmission system (2008-10-28),

6. 7137035 - Load testing apparatus, computer readable recording medium for recording load test program, fault diagnosis apparatus, and computer readable recording medium for recording fault diagnosis program (2006-11-14),

7. 7081792 - Operational amplifier, line driver, and liquid crystal display device (2006-07-25),

8. 6888301 - Gas-discharge display apparatus having optical filter selectively absorbing light of a wavelength equal to that of the light emission of the discharge gas (2005-05-03),

9. 6887396 - Micromirror unit and method of making the same (2005-05-03),

10. 6597909 - Apparatus and a method for performing a call control in a mobile communication system (2003-07-22),

11. 6536673 - Circuit for detecting presence or absence of proximity IC card device (2003-03-25),

12. 6392567 - Apparatus for repeatedly compressing a data string and a method thereof (2002-05-21),

13. 6332578 - Adapter (2001-12-25),

14. 6311124 - Device, method and system for selecting emergency vehicles (2001-10-30),

15. 6292870 - Information processing system in which memory devices and copies of tags are accessed in response to access requests issued from plurality of processing units (2001-09-18),

Fijitsu Limited is a Japanese multinational information technology equipment and services company. It offers a wide range of technology products, solutions, and services to various industries and sectors worldwide, including IT services, consulting, systems integration, and more. With a focus on innovation and sustainability, Fijitsu aims to create value for its customers and society by harnessing the power of digital transformation.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

25 Patents

#29 in Kawasaki

#2,517 in Japan

#24,910 in the World

Kawasaki, Japan

Fijitsu Limited

Forward Citations = 217

72 inventors:

Shigeru Hashimoto (2 out of 59 patents)

Takayuki Hasebe (1 out of 61 patents)

Yoshihiro Kawasaki (1 out of 190 patents)

4. Tomoyuki Akiyama (1 out of 52 patents)

5. Osamu Tsuboi (1 out of 97 patents)

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