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Nippon Precision Circuits Inc.

USPTO Granted Patents = 100

% Expired Patents = 7.0

Trademarks = 1

Forward Citations = 1,482

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81 inventors (with patents filed for the assignee):

Akira Toyama (14 out of 25 patents)

Satoru Miyabe (13 out of 16 patents)

Yoshihisa Ogiwara (13 out of 13 patents)

4. Sakae Tanaka (12 out of 33 patents)

5. Yoshiaki Watanabe (12 out of 83 patents)

6. Katsuo Shirai (11 out of 11 patents)

7. Kazuhisa Oyama (10 out of 10 patents)

8. Minoru Takeda (9 out of 41 patents)

9. Kunihiko Tsukagoshi (8 out of 8 patents)

10. Eiichi Hasegawa (7 out of 7 patents)

11. Toru Matsumoto (4 out of 4 patents)

12. Naoki Ueno (4 out of 4 patents)

13. Noboru Motai (4 out of 4 patents)

14. Motohiro Yamazaki (3 out of 55 patents)

15. Yoshiaki Inada (3 out of 35 patents)

Core Competencies:

Oscillator Circuit

Digital Filter

Non-Volatile Memory

Frequency Synthesizer

Charge Pump Circuit

Amplifier

Temperature Compensated Oscillator

Delta Sigma Converter

Detection Circuits

CMOS Circuit

Ferroelectric Memory

Digital Data Processing

100 patents: Sort by Forward Citations

1. 7522190 - Image detection processing device for calculating the moments of image data (2009-04-21),

2. 7496169 - Frequency synthesizer, pulse train generation apparatus and pulse train generation method (2009-02-24),

3. 7370531 - Detection circuits, detection method and systems of measuring physical quantities (2008-05-13),

4. 7205801 - Power down circuit capable of a wide rage control signal regardless of the power supply voltage fluction (2007-04-17),

5. 7102432 - Class D amplifier (2006-09-05),

6. 7069285 - Decimation filter (2006-06-27),

7. 7046821 - Image detection processor (2006-05-16),

8. 6944113 - Method of controlling laser diode in optical disk player and circuit therefor (2005-09-13),

9. 6934324 - Zero value-detecting circuit (2005-08-23),

10. 6898105 - Ferroelectric non-volatile memory device having integral capacitor and gate electrode, and driving method of a ferroelectric non-volatile memory device (2005-05-24),

11. 6885048 - Transistor-type ferroelectric nonvolatile memory element (2005-04-26),

12. 6810091 - Digital data deinterleaver (2004-10-26),

13. 6794905 - CMOS inverter (2004-09-21),

14. 6788159 - Temperature compensated oscillator, adjusting method thereof, and integrated circuit for temperature compensated oscillator (2004-09-07),

15. 6733174 - Semiconductor temperature detecting method and its circuit (2004-05-11),

Nippon Precision Circuits Inc. is a leading manufacturer and provider of high-quality printed circuit boards (PCBs). With over 30 years of experience, we specialize in offering innovative and reliable PCB solutions to a wide range of industries, including automotive, telecommunications, and consumer electronics. Our commitment to excellence, advanced manufacturing processes, and rigorous quality control measures have made us a trusted partner for global companies seeking top-notch PCBs. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

100 Patents

#541 in Tokyo

#1,121 in Japan

#7,768 in the World

Nippon Precision Circuits Inc.

Forward Citations = 1,482

81 inventors:

Akira Toyama (14 out of 25 patents)

Satoru Miyabe (13 out of 16 patents)

Yoshihisa Ogiwara (13 out of 13 patents)

4. Sakae Tanaka (12 out of 33 patents)

5. Yoshiaki Watanabe (12 out of 83 patents)

Please report any incorrect information to [email protected]

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