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Kamisato, Japan

Ayumu Ishihara

This inventor holds 5 USPTO granted patents. Top assignee: Hitachi-High-Technologies Corporation. Active years: 2012-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ayumu Ishihara. Retrieved from https://idiyas.com/inventor/ayumu-ishihara

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

Calculating rank

USPTO Granted Patents = 5

% Patents Active = 40.0

Average Co-Inventor Count = 1.6

ph-index = 1

Forward Citations = 6(Granted Patents)

Location History:

Kamisato, JP (2012 - 2013)
Saitama, JP (2014)

Company Filing History:

Hitachi-High-Technologies Corporation

Years Active: 2012-2014

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8634070 - Method and apparatus for optically inspecting a magnetic disk (2014-01-21),

2. 8547547 - Optical surface defect inspection apparatus and optical surface defect inspection method (2013-10-01),

3. 8295000 - Method and its apparatus for inspecting a magnetic disk (2012-10-23),

4. 8208356 - Optical checking method and apparatus for defects in magnetic disks (2012-06-26),

5. 8169868 - Method for detecting surface defects in patterned media (2012-05-01),

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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