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Kawasaki, Japan

Fujistu Limited

USPTO Granted Patents = 25

% Expired Patents = 44.0

Forward Citations = 251

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54 inventors (with patents filed for the assignee):

Shinichi Takahashi (2 out of 48 patents)

Wei-Peng Chen (1 out of 135 patents)

Kenji Yamamoto (1 out of 118 patents)

4. Hisao Nakashima (1 out of 98 patents)

5. Manabu Watanabe (1 out of 36 patents)

6. Takeshi Hoshida (1 out of 182 patents)

7. Michimasa Aoki (1 out of 37 patents)

8. Masumi Suzuki (1 out of 61 patents)

9. Hiroaki Yoshida (1 out of 70 patents)

10. Tomofumi Oyama (1 out of 17 patents)

11. Mikio Ito (1 out of 49 patents)

12. Masuo Ohnishi (1 out of 57 patents)

13. Sanam Mirzazad Barijough (1 out of 9 patents)

14. Kiyokazu Moriizumi (1 out of 20 patents)

15. Kazuhiko Ikeuchi (1 out of 65 patents)

Core Competencies:

Software Program Repair

Demand Response Assessment

Fingerprint Authentication

Optical Transmission

Liquid Cooling Unit

Image Data Decoding

Semiconductor Device

Network Relay

Printed Circuit Board

Ink Jet Head

Touch Panel

Superconducting Magnetometer

25 patents: Sort by Forward Citations

1. 10152683 - Demand response event assessment (2018-12-11),

2. 10152406 - Software program repair (2018-12-11),

3. 9094121 - Optical transmission apparatus (2015-07-28),

4. 8386837 - Storage control device, storage control method and storage control program (2013-02-26),

5. 8385611 - Fingerprint authentication device and information processing device with a sweep fingerprint sensor that acquires images of fingerprint at least two different sensitivity levels in single scan (2013-02-26),

6. 8381029 - Processing method, storage system, information processing apparatus, and computer-readable storage medium storing program (2013-02-19),

7. 8289701 - Liquid cooling unit and heat receiver therefor (2012-10-16),

8. 8249373 - Image data decoding apparatus and method for decoding image data (2012-08-21),

9. 7986620 - Radio base station (2011-07-26),

10. 7787412 - Uplink scheduling (2010-08-31),

11. 7729265 - Test method for network relay apparatus and network relay apparatus (2010-06-01),

12. 7614565 - Semiconductor device and control method in semiconductor device (2009-11-10),

13. 7420779 - Disk apparatus having suspension provided with head support projections (2008-09-02),

14. 7005318 - Mounted circuit substrate and method for fabricating the same for surface layer pads that can withstand pad erosion by molten solder applied over a plurality of times (2006-02-28),

15. 6996020 - Semiconductor memory device (2006-02-07),

Company Overview

Fujitsu Limited is a leading global information and communication technology (ICT) company based in Kawasaki, Japan. The organization specializes in providing a wide range of technology solutions, including cloud computing, artificial intelligence, and digital transformation services. Fujitsu is committed to advancing innovation across various sectors, such as healthcare, finance, and manufacturing, by leveraging its expertise in IT infrastructure and services. The company aims to enhance business efficiency and drive sustainable growth through its cutting-edge technologies.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

25 Patents

#36 in Kawasaki

#2,570 in Japan

#25,710 in the World

Kawasaki, Japan

Fujistu Limited

Forward Citations = 251

54 inventors:

Shinichi Takahashi (2 out of 48 patents)

Wei-Peng Chen (1 out of 135 patents)

Kenji Yamamoto (1 out of 118 patents)

4. Hisao Nakashima (1 out of 98 patents)

5. Manabu Watanabe (1 out of 36 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Fujistu Limited. Retrieved from https://idiyas.com/company/fujistu

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]

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