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Kawasaki, Japan

Sunao Murata

This inventor holds 4 USPTO granted patents. Top assignee: Nikon Corporation. Active years: 1989-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sunao Murata. Retrieved from https://idiyas.com/inventor/sunao-murata-61ruvua5

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 4

Forward Citations = 203(Granted Patents)

Location History:

Kawasaki, JP (1989 - 1991)
Kanagawa, JP (1991)

Company Filing History:

Nikon Corporation

Years Active: 1989-1991

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5072128 - Defect inspecting apparatus using multiple color light to detect defects (1991-12-10),

2. 4999510 - Apparatus for detecting foreign particles on a surface of a reticle or (1991-03-12),

3. 4966457 - Inspecting apparatus for determining presence and location of foreign (1990-10-30),

4. 4889998 - Apparatus with four light detectors for checking surface of mask with (1989-12-26),

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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