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For the Inventor, By the Inventor

Hamamatsu, Japan

Sunao Okamura

This inventor holds 18 USPTO granted patents. Top assignee: Yamaha Corporation. Active years: 1996-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sunao Okamura. Retrieved from https://idiyas.com/inventor/sunao-okamura

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 9

Forward Citations = 233(Granted Patents)


Location History:

  • Shizuoka, JP (1996 - 2005)
  • Hamamatsu, JP (1999 - 2021)

Company Filing History:

goldMedal18 out of 5,501 
 
Yamaha Corporation
 patents

Years Active: 1996-2021

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18 patents (USPTO):Explore Patents
1. D933629 - Amplifier (2021-10-19),
2. D903625 - Amplifier (2020-12-01),
3. D718809 - Digital piano (2014-12-02),
4. D718808 - Digital piano (2014-12-02),
5. D718375 - Digital piano (2014-11-25),
6. D668710 - Electronic keyboard (2012-10-09),
7. D589929 - Combined speaker and amplifier (2009-04-07),
8. D579914 - Combined speaker and amplifier (2008-11-04),
9. D579441 - Combined speaker and amplifier (2008-10-28),
10. D538259 - Combined speaker and amplifier (2007-03-13),
11. D520494 - Speaker (2006-05-09),
12. D510381 - Electronic keyboard instrument (2005-10-04),
13. D507291 - Electronic keyboard instrument (2005-07-12),
14. D499442 - Electronic keyboard instrument (2004-12-08),
15. D474801 - Piano (2003-05-21),

Title: Sunao Okamura: Innovator in Amplifier Technology

Introduction

Sunao Okamura is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of audio technology, particularly in amplifier design. With a total of 18 patents to his name, Okamura has established himself as a key figure in the industry.

Latest Patents

Among his latest innovations is a groundbreaking amplifier that enhances sound quality and performance. This invention reflects his commitment to advancing audio technology and improving user experience.

Career Highlights

Okamura is currently employed at Yamaha Corporation, a leading company in the music and audio equipment industry. His work at Yamaha has allowed him to collaborate with other talented engineers and contribute to the development of cutting-edge audio products.

Collaborations

Some of his notable coworkers include Nobushiro Aiba and Mami Sato. Their collaborative efforts have led to several successful projects that have furthered the capabilities of audio technology.

Conclusion

Sunao Okamura's contributions to amplifier technology and his innovative spirit continue to influence the audio industry. His work exemplifies the importance of creativity and collaboration in driving technological advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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