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Yokohama, Japan

Fujitsu Microelectronics Limited

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USPTO Granted Patents = 467

% Expired Patents = 71.5

EPO Patents = 27

Trademarks = 2

Forward Citations = 2,470

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627 inventors (with patents filed for the assignee):

Hiroyuki Kobayashi (12 out of 171 patents)

Hiroyuki Ohta (10 out of 38 patents)

Kouichi Nagai (8 out of 80 patents)

4. Taiji Ema (8 out of 171 patents)

5. Naoya Sashida (8 out of 36 patents)

6. Toru Anezaki (8 out of 40 patents)

7. Hiroyoshi Tomita (8 out of 87 patents)

8. Yosuke Shimamune (7 out of 41 patents)

9. Akira Katakami (7 out of 30 patents)

10. Naoyoshi Tamura (7 out of 50 patents)

11. Wensheng Wang (7 out of 71 patents)

12. Hideyuki Kojima (7 out of 48 patents)

13. Hidekiyo Ozawa (7 out of 70 patents)

14. Shinya Fujioka (6 out of 99 patents)

15. Akiyoshi Hatada (6 out of 33 patents)

Core Competencies:

Integrated Circuit

Semiconductor Memory

DC-DC Converter

Power Supply

Antenna Apparatus

Ferroelectric Capacitor

Electrostatic Discharge

Data Transfer

Signal Masking

Current Mode Converter

Testing Method

Circuit Design

467 patents: Sort by Forward Citations

1. 7906840 - Semiconductor integrated circuit package, printed circuit board, semiconductor apparatus, and power supply wiring structure (2011-03-15),

2. 7872612 - Antenna apparatus utilizing aperture of transmission line (2011-01-18),

3. 7844934 - Method for designing a semiconductor integrated circuit layout capable of reducing the processing time for optical proximity effect correction (2010-11-30),

4. 7791852 - Electrostatic discharge protection circuit and terminating resistor circuit (2010-09-07),

5. 7772628 - Semiconductor device and method for manufacturing the same (2010-08-10),

6. 7765510 - Method of searching for wiring route including vias in integrated circuit (2010-07-27),

7. 7760567 - Semiconductor memory and system (2010-07-20),

8. 7760125 - A/D conversion circuit for use with low-potential and high-potential power supplies (2010-07-20),

9. 7755125 - Semiconductor device including ferroelectric capacitor (2010-07-13),

10. 7754619 - Method for forming a coating with a liquid, and method for manufacturing a semiconductor device (2010-07-13),

11. 7750710 - Delay circuit (2010-07-06),

12. 7750478 - Semiconductor device with via hole of uneven width (2010-07-06),

13. 7742645 - Encoding device and method (2010-06-22),

14. 7742469 - Data input circuit and semiconductor device utilizing data input circuit (2010-06-22),

15. 7734973 - Testing apparatus and testing method for an integrated circuit, and integrated circuit (2010-06-08),

Company Overview

Fujitsu Microelectronics Limited, headquartered in Yokohama, Japan, specializes in the development and manufacturing of semiconductor devices. The company focuses on a range of core technologies including integrated circuits, semiconductor memory, and power supply solutions such as DC-DC converters. Additionally, Fujitsu Microelectronics is involved in advanced research related to antenna apparatus, ferroelectric capacitors, and electrostatic discharge protection, contributing to innovations in data transfer and energy efficiency across various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

467 Patents

#9 in Yokohama

#398 in Japan

#2,044 in the World

Yokohama, Japan

Fujitsu Microelectronics Limited

Forward Citations = 2,470

627 inventors:

Hiroyuki Kobayashi (12 out of 171 patents)

Hiroyuki Ohta (10 out of 38 patents)

Kouichi Nagai (8 out of 80 patents)

4. Taiji Ema (8 out of 171 patents)

5. Naoya Sashida (8 out of 36 patents)

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

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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