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For the Inventor, By the Inventor

Hamamatsu, Japan

Hisashi Nagai

This inventor holds 10 USPTO granted patents and 1 EPO patent. Top assignee: Yamaha Corporation. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Nagai. Retrieved from https://idiyas.com/inventor/hisashi-nagai

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

USPTO Granted Patents = 10

% Patents Active = 80.0

 

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal10 out of 5,500 
 
Yamaha Corporation
 patents

Years Active: 2010-2026

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10 patents (USPTO):Explore Patents
1. 12738400 - Fader device (2026-09-15),
2. 11513529 - Audio system and method of controlling conveyer device (2022-11-29),
3. 11422767 - Playback system, vibrator, and playback system control method (2022-08-23),
4. 11216243 - Audio visual device, playback method, and playback system (2022-01-04),
5. 10854221 - Audio device including non-contact power feeding mechanism (2020-12-01),
6. 10778350 - Fader device (2020-09-15),
7. 10725222 - Display device, electronic apparatus, and light guide unit (2020-07-28),
8. 9379831 - Acoustic controller (2016-06-28),
9. 7990723 - Housing structure of acoustic controller (2011-08-02),
10. 7733660 - Housing structure of acoustic controller (2010-06-08),

Title: Hisashi Nagai: Innovator in Audio Technology

Introduction

Hisashi Nagai is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of audio technology, holding a total of 10 patents. His work focuses on enhancing audio systems and improving user interaction with sound devices.

Latest Patents

Hisashi Nagai's latest patents include an innovative audio system and a method for controlling a conveyor device. The audio system comprises an audio apparatus that features a sound receiver to capture ambient sound and a battery that is charged by a dedicated charger. Additionally, the system includes a conveyor equipped with a motor to transport the audio apparatus. Another notable patent is for a playback system that includes a playback controller, which allows a sound outputter to play sounds based on user interactions. This system also features a vibration imparter that vibrates the operator in response to a vibration signal corresponding to the sound.

Career Highlights

Nagai is currently employed at Yamaha Corporation, a leading company in the music and audio equipment industry. His work at Yamaha has allowed him to explore and develop cutting-edge audio technologies that enhance user experiences.

Collaborations

Some of Hisashi Nagai's coworkers include Taku Ueda and Naoaki Kurita, who are also involved in innovative projects within the company.

Conclusion

Hisashi Nagai's contributions to audio technology through his patents and work at Yamaha Corporation highlight his role as a key innovator in the field. His inventions continue to shape the way users interact with audio systems, making significant advancements in technology.

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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