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Yasuichi Hashimoto

This inventor holds 7 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1986-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuichi Hashimoto. Retrieved from https://idiyas.com/inventor/yasuichi-hashimoto

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

Calculating rank

USPTO Granted Patents = 7

% Patents Active = 85.7

Average Co-Inventor Count = 1.1

ph-index = 5

Forward Citations = 79(Granted Patents)

Location History:

Oome, JP (1989)
Ohme, JP (1992)
Tokyo, JP (1986 - 1997)
Ome, JP (2008)

Company Filing History:

7 out of 53,286

Kabushiki Kaisha Toshiba

Years Active: 1986-2008

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7424774 - Method of manufacturing a head actuator assembly and a disk drive (2008-09-16),

2. 5603002 - Hard disk drive having buffer memory employing directory based cache (1997-02-11),

3. 5140477 - Magnetic disk apparatus utilizing servo-surface servo (1992-08-18),

4. 4885645 - Write compensator for magnetic disk apparatus (1989-12-05),

5. 4724369 - Speed control apparatus in magnetic disk apparatus (1988-02-09),

6. 4636883 - Magnetic head control apparatus (1987-01-13),

7. 4622604 - Magnetic head controlling apparatus (1986-11-11),

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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