Haruhiko Matsui

This inventor holds 6 USPTO granted patents. Top assignees: Kabushiki Kaisha Kawai Gakki Seisakusho, Kawai Musical Inst. Mfg. Co., Ltd.. Active years: 1991-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Haruhiko Matsui. Retrieved from https://idiyas.com/inventor/haruhiko-matsui

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 43(Granted Patents)

Location History:

Shizuoka, JP (1994)
Hamamatsu, JP (1991 - 1996)
Shizuoka-ken, JP (1997)

Company Filing History:

5 out of 459

Kabushiki Kaisha Kawai Gakki Seisakusho

patents

1 out of 37

Kawai Musical Inst. Mfg. Co., Ltd.

patents

Years Active: 1991-1997

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5670732 - Midi data transmitter, receiver, transmitter/receiver, and midi data (1997-09-23),

2. 5637822 - MIDI signal transmitter/receiver operating in transmitter and receiver (1997-06-10),

3. 5535224 - Automatic performing system capable of detection and correction of (1996-07-09),

4. 5357046 - Automatic performance apparatus and method (1994-10-18),

5. 5281755 - Apparatus for automatic playing of a musical instrument (1994-01-25),

6. 5012715 - Sensor for an automatic piano player apparatus (1991-05-07),

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]