Company Filing History:

12 out of 2,861

Pioneer Electronic Corporation

patents

3 out of 220

Toa Nenryo Kogyo Kabushiki Kaisha

patents

1 out of 39

Toa Nenryo Kogyo, K. K.

Years Active: 1984-2004

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6687604 - Apparatus providing audio manipulation phrase corresponding to input manipulation (2004-02-03),

2. 5524022 - Digital graphic equalizer (1996-06-04),

3. 5343161 - Power amplifier apparatus (1994-08-30),

4. 4992749 - Pulse-width modulating amplifier circuit (1991-02-12),

5. 4968948 - Pulse width modulation amplifier circuit (1990-11-06),

6. 4952884 - Pulse width modulation amplifier circuit (1990-08-28),

7. 4949048 - Pulse width modulation amplifier circuit (1990-08-14),

8. 4912170 - Process for producing a modified styrene polymer (1990-03-27),

9. 4864246 - Mobile automatic volume control apparatus (1989-09-05),

10. 4788261 - Polyarylene sulfide resin composition (1988-11-29),

11. 4742310 - Automatic sound volume controlling device for use in automotive vehicle (1988-05-03),

12. 4739513 - Method and apparatus for measuring and correcting acoustic (1988-04-19),

13. 4704438 - Novel styrene copolymer (1987-11-03),

14. 4694498 - Automatic sound field correcting system (1987-09-15),

15. 4688258 - Automatic graphic equalizer (1987-08-18),

Title: The Innovative Contributions of Masayuki Kato

Introduction

Masayuki Kato is a prominent inventor based in Saitama, Japan. He has made significant contributions to the fields of audio manipulation and digital signal processing. With a total of 17 patents to his name, Kato's work has had a lasting impact on technology and user experience.

Latest Patents

Among his latest patents is an apparatus providing audio manipulation phrases corresponding to input manipulation. This in-vehicle navigation system is designed to reduce the burden on users when utilizing audio manipulation functions. In response to manual input, the system audibly or visually presents an audio manipulation phrase that corresponds to the action performed. Another notable patent is for a digital graphic equalizer. This device is capable of obtaining both boost and attenuation characteristics using band pass filters, each constituted by a digital filter and an adder. The design allows for enhanced audio processing, improving the overall sound quality.

Career Highlights

Kato has worked with several notable companies throughout his career, including Pioneer Electronic Corporation and Toa Nenryo Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas, leading to the creation of his patents.

Collaborations

Some of Kato's coworkers include Akio Tokumo and Takeshi Sato. Their collaboration has contributed to the advancement of technology in audio manipulation and digital signal processing.

Conclusion

Masayuki Kato's contributions to innovation in audio technology are noteworthy. His patents reflect a deep understanding of user needs and technological capabilities. Kato's work continues to influence the industry and enhance user experiences in audio manipulation.

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