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Yokohama, Japan

Oki Semiconductor Co., Ltd.

USPTO Granted Patents = 707

Trademarks = 2

Forward Citations = 1,744

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527 inventors (with patents filed for the assignee):

Hiroji Akahori (24 out of 62 patents)

Koji Higuchi (11 out of 45 patents)

Akira Nakayama (11 out of 46 patents)

4. Kiyonori Watanabe (11 out of 16 patents)

5. Yoshinori Shizuno (10 out of 33 patents)

6. Yasushi Shiraishi (9 out of 43 patents)

7. Yoshihiro Saeki (8 out of 23 patents)

8. Shigeru Yamada (8 out of 45 patents)

9. Yasuo Tanaka (7 out of 82 patents)

10. Yasuhiro Fukuda (7 out of 25 patents)

11. Atsushi Hirama (7 out of 22 patents)

12. Yoshimi Egawa (7 out of 29 patents)

13. Makoto Terui (7 out of 34 patents)

14. Tadashi Chiba (7 out of 12 patents)

15. Masato Tanaka (6 out of 182 patents)

Core Competencies:

Semiconductor Device

Battery Charger

Voltage Monitoring

Display Driving Circuit

Multi-Chip Package

Operational Amplifier

Acceleration Sensor

Communication Interface

Signal Processor

LCD Driving Circuit

Solar System Integration

Data Transfer Circuit

707 patents: Sort by Forward Citations

1. 8860204 - Semiconductor device and package with bit cells and power supply electrodes (2014-10-14),

2. 8804882 - Receiving apparatus, and computer readable memory medium that stores a program (2014-08-12),

3. 8786289 - Method and semiconductor device for monitoring battery voltages (2014-07-22),

4. 8786087 - Semiconductor device having damascene interconnection structure that prevents void formation between interconnections having transparent dielectric substrate (2014-07-22),

5. 8749291 - LCD driving circuit with ESD protection (2014-06-10),

6. 8736595 - Driving device and driving method for image display device (2014-05-27),

7. 8736320 - Power-on reset circuit (2014-05-27),

8. 8723303 - Multi-chip package semiconductor memory device (2014-05-13),

9. 8698314 - Semiconductor wiring patterns (2014-04-15),

10. 8692510 - Battery charger, voltage monitoring device and self-diagnosis method of reference voltage circuit (2014-04-08),

11. 8692369 - Semiconductor chip and solar system (2014-04-08),

12. 8692355 - Minute capacitance element and semiconductor device using the same (2014-04-08),

13. 8665198 - Display driving apparatus for charging a target voltage within a sampling period and a method therefor (2014-03-04),

14. 8664798 - Semiconductor integrated circuit device and power supply circuit (2014-03-04),

15. 8664666 - Semiconductor device and process for fabricating the same (2014-03-04),

OKI Semiconductor Co., Ltd. is a leading semiconductor manufacturer specializing in innovative and high-performance integrated circuits (ICs). With a focus on delivering advanced solutions, OKI Semiconductor offers a diverse range of products for various applications including automotive, telecommunications, consumer electronics, and industrial sectors.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

707 Patents

#5 in Yokohama

#285 in Japan

#1,377 in the World

Yokohama, Japan

Oki Semiconductor Co., Ltd.

Forward Citations = 1,744

527 inventors:

Hiroji Akahori (24 out of 62 patents)

Koji Higuchi (11 out of 45 patents)

Akira Nakayama (11 out of 46 patents)

4. Kiyonori Watanabe (11 out of 16 patents)

5. Yoshinori Shizuno (10 out of 33 patents)

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