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Hamamatsu, Japan

Yamaha Corporation

Calculating rank

USPTO Granted Patents = 5,505

% Expired Patents = 22.4

CIPO Patents = 9

EPO Patents = 773

Trademarks = 255

Forward Citations = 57,078

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2,058 inventors (with patents filed for the assignee):

Masao Noro (98 out of 103 patents)

Hideo Suzuki (91 out of 126 patents)

Shigeru Muramatsu (63 out of 68 patents)

4. Morito Morishima (59 out of 59 patents)

5. Kotaro Terada (55 out of 55 patents)

6. Masaaki Okabayashi (54 out of 54 patents)

7. Ichiro Osuga (52 out of 52 patents)

8. Eiichiro Aoki (52 out of 91 patents)

9. Toshifumi Kunimoto (51 out of 54 patents)

10. Yuji Fujiwara (51 out of 54 patents)

11. Motoichi Tamura (49 out of 49 patents)

12. Satoshi Usa (49 out of 49 patents)

13. Akihiko Suyama (45 out of 45 patents)

14. Akira Maezawa (44 out of 44 patents)

15. Kenichi Nishida (42 out of 42 patents)

Core Competencies:

Audio Signal Processing

Class-D Amplifier

Electronic Musical Instrument

Sound Processing Method

Speaker Unit

Performance Analysis

Microphone

Wearable Acoustic Device

Synthesizer

Data Processing

Communication System

Musical Instrument

5,505 patents: Sort by Forward Citations

1. 12777306 - Sound signal processing method, sound signal processing device, and sound signal processing program (2026-10-27),

2. 12770606 - Acoustic system and electronic musical instrument (2026-10-20),

3. 12770599 - Audio processing method, audio processing system, and recording medium (2026-10-20),

4. 12770593 - Musical performance evaluation system, musical performance evaluation method and non-transitory computer-readable medium storing musical performance evaluation program (2026-10-20),

5. D1153412 - Guitar (2026-10-13),

6. 12755723 - Signal generation method, signal generation system, electronic musical instrument, and recording medium (2026-10-06),

7. 12749470 - Input device and sound signal generation device (2026-09-29),

8. 12745038 - Speaker system for a vehicle, including one speaker connected to a first-order high pass filter and another speaker connected to a second-order low-pass filter (2026-09-22),

9. 12738400 - Fader device (2026-09-15),

10. 12726873 - Apparatus, communication controlling method, and non-transitory computer-readable storage medium (2026-09-01),

11. 12725591 - Computer-implemented method, system, and non-transitory computer-readable storage medium for inferring evaluation of performance information (2026-09-01),

12. 12725391 - Performance recording system, performance recording method, and recording medium (2026-09-01),

13. 12718784 - Parameter inference method, parameter inference system, and parameter inference program (2026-08-25),

14. 12706073 - Pedal unit and electronic keyboard apparatus (2026-08-11),

15. 12700386 - Sound bar and percussion instrument (2026-08-04),

Company Overview

Yamaha Corporation, headquartered in Hamamatsu, Japan, is a leading innovator in audio signal processing and musical instruments. The company specializes in a diverse range of technologies, including Class-D amplifiers, electronic musical instruments, and advanced sound processing methods. Yamaha is also known for its development of high-quality speaker units and microphones, as well as wearable acoustic devices. With a strong focus on performance analysis, Yamaha continues to push the boundaries of audio technology, enhancing both professional and consumer audio experiences.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

5,505 Patents

#1 in Hamamatsu

#44 in Japan

#158 in the World

Hamamatsu, Japan

Yamaha Corporation

Forward Citations = 57,078

2,058 inventors:

Masao Noro (98 out of 103 patents)

Hideo Suzuki (91 out of 126 patents)

Shigeru Muramatsu (63 out of 68 patents)

4. Morito Morishima (59 out of 59 patents)

5. Kotaro Terada (55 out of 55 patents)

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

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]

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