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For the Inventor, By the Inventor

Hamamatsu, Japan

Yasushi Shimizu

USPTO Granted Patents = 14

Average Co-Inventor Count = 2.8

ph-index = 8

Forward Citations = 347(Granted Patents)


Company Filing History:

goldMedal14 out of 5,450 
 
Yamaha Corporation
 patents

Years Active: 1989-2016

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14 patents (USPTO):Explore Patents
1. 9390703 - Masking sound generating apparatus, storage medium stored with masking sound signal, masking sound reproducing apparatus, and program (2016-07-12),
2. 8861742 - Masker sound generation apparatus and program (2014-10-14),
3. 8428272 - Masking sound generating apparatus, masking system, masking sound generating method, and program (2013-04-23),
4. 8271288 - Sound masking system and masking sound generation method (2012-09-18),
5. 8050931 - Sound masking system and masking sound generation method (2011-11-01),
6. 7130428 - Picked-up-sound recording method and apparatus (2006-10-31),
7. 6782105 - Reflection sound generator with series of main and supplementary FIR filters (2004-08-24),
8. 6608903 - Sound field reproducing method and apparatus for the same (2003-08-19),
9. 6072879 - Sound field control unit and sound field control device (2000-06-06),
10. 5452360 - Sound field control device and method for controlling a sound field (1995-09-19),
11. 5392381 - Acoustic analysis device and a frequency conversion device used therefor (1995-02-21),
12. 5131051 - Method and apparatus for controlling the sound field in auditoriums (1992-07-14),
13. 5025472 - Reverberation imparting device (1991-06-18),
14. 4868682 - Method of recording and reproducing video and sound information using (1989-09-19),

Title: Yasushi Shimizu: Innovator in Sound Technology

Introduction

Yasushi Shimizu is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of sound technology, holding a total of 14 patents. His innovative work focuses on enhancing sound masking techniques, which have applications in various environments.

Latest Patents

Shimizu's latest patents include a masking sound generating apparatus, a storage medium stored with a masking sound signal, a masking sound reproducing apparatus, and a program. These inventions aim to secure a high masking effect in spaces where masking sound is emitted, while simultaneously reducing discomfort for individuals present in those spaces. His approach involves superimposition processing, where a CPU extracts sound signals from different intervals of a human voice and superimposes them on the time axis. Additionally, he employs shift and addition processing to interchange sound signals around a reference position, creating a more effective masking sound.

Career Highlights

Yasushi Shimizu is currently employed at Yamaha Corporation, a leading company in the music and sound technology industry. His work at Yamaha has allowed him to explore and develop advanced sound technologies that enhance user experiences in various applications.

Collaborations

Shimizu collaborates with talented coworkers, including Fukushi Kawakami and Masato Hata. Their combined expertise contributes to the innovative projects at Yamaha Corporation.

Conclusion

Yasushi Shimizu's contributions to sound technology through his patents and work at Yamaha Corporation highlight his role as a key innovator in the field. His advancements in sound masking techniques continue to influence the industry and improve user experiences.

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