Company Filing History:

24 out of 841

Nippon Gakki Seizo Kabushiki Kaisha

Years Active: 1976-1991

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29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5039893 - Signal delay device (1991-08-13),

2. 5012141 - Signal delay device using CMOS supply voltage control (1991-04-30),

3. 4988960 - FM demodulation device and FM modulation device employing a CMOS signal (1991-01-29),

4. 4956720 - Jitter control circuit having signal delay device using CMOS supply (1990-09-11),

5. 4910448 - PWM circuit (1990-03-20),

6. 4742254 - CMOS integrated circuit for signal delay (1988-05-03),

7. 4727530 - Disc rotation control device for a disc player (1988-02-23),

8. 4707805 - Data processing circuit for digital audio system (1987-11-17),

9. 4694441 - Position control device for an optical reproduction system in an optical (1987-09-15),

10. 4682317 - Subcode signal reading circuit in an optical type disc player (1987-07-21),

11. 4646303 - Data error detection and correction circuit (1987-02-24),

12. 4641326 - Counter circuit operable in synchronism with frame or digital data signal (1987-02-03),

13. 4594703 - Clock-signal reproducing circuit including voltage controlled oscillator (1986-06-10),

14. 4580128 - Digital signal processing device (1986-04-01),

15. 4558624 - Effect imparting device in an electronic musical instrument (1985-12-17),

Certainly, here is the article about inventor Norio Tomisawa:

Title: Innovator Spotlight: Norio Tomisawa - Pioneering Signal Delay Devices

Introduction: Norio Tomisawa, a highly acclaimed inventor based in Hamamatsu, Japan, has made significant contributions to the field of signal processing with a remarkable portfolio of 29 patents. His innovative work revolves around signal delay devices, particularly focusing on utilizing CMOS gate circuits for precise signal manipulation.

Latest Patents: Tomisawa's latest patents showcase his expertise in signal delay technology. He has developed a cutting-edge signal delay device that incorporates a CMOS gate circuit with voltage control mechanisms. This device offers versatile applications, from analog circuit delays to jitter absorption circuits, demonstrating Tomisawa's versatility and forward-thinking approach in his inventions.

Career Highlights: Throughout his career, Norio Tomisawa has been associated with prominent companies such as Nippon Gakki Seizo Kabushiki Kaisha and Yamaha Corporation. His tenure at these esteemed organizations has provided him with invaluable industry experience and resources to further his innovative endeavors in signal processing technology.

Collaborations: Tomisawa's collaborative efforts have been instrumental in his success. Working alongside accomplished professionals like Yasuji Uchiyama and Takatoshi Okumura, he has fostered a culture of innovation and knowledge sharing, leading to groundbreaking advancements in signal delay devices and related technologies.

Conclusion: In summary, Norio Tomisawa stands out as a visionary inventor whose dedication to advancing signal delay technology has reshaped the landscape of modern electronics. His relentless pursuit of innovation and collaboration with industry peers exemplify his commitment to excellence in the field. With a prolific patent portfolio and a track record of success, Tomisawa continues to inspire future generations of inventors in the realm of signal processing.

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