% Expired Patents = 50.0

Forward Citations = 23

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7 inventors (with patents filed for the assignee):

Toshifumi Kunimoto (1 out of 54 patents)

Masaya Kano (1 out of 17 patents)

Masaru Aiso (1 out of 38 patents)

4. Takamitsu Aoki (1 out of 26 patents)

5. Hideyuki Masuda (1 out of 31 patents)

6. Kiyoshi Yoshida (1 out of 1 patent)

7. Kiyoshi Hagino (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7936889 - Mixer apparatus and parameter-setting changing method for use in the mixer apparatus (2011-05-03),

2. 7359757 - Remote control method and apparatus, remote controller, and apparatus and system based on such remote control (2008-04-15),

3. 5459280 - Musical tone synthesizing apparatus (1995-10-17),

4. 5260507 - Envelope waveform generation apparatus for an electronic musical (1993-11-09),

Company Overview

Yamaha Corporation is a Japanese multinational corporation known for a wide range of products in the music, audio, and video industries. They are a leading manufacturer of musical instruments, audio equipment, motorized products, and more. With a history dating back to 1887, Yamaha is dedicated to creating innovative and high-quality products that enrich people's lives worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

4 Patents

#27 in Hamamatsu

#7,579 in Japan

Hamamatsu, Japan

Yamaha Corportion

Forward Citations = 23

7 inventors:

Toshifumi Kunimoto (1 out of 54 patents)

Masaya Kano (1 out of 17 patents)

Masaru Aiso (1 out of 38 patents)

4. Takamitsu Aoki (1 out of 26 patents)

5. Hideyuki Masuda (1 out of 31 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yamaha Corportion. Retrieved from https://idiyas.com/company/yamaha-corportion

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

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]