Nakanishi Optical Corporation

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USPTO Granted Patents = 3

Forward Citations = 20

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2 inventors (with patents filed for the assignee):

Eiichi Nakanishi (2 out of 6 patents)

Shoichi Sato (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 6213383 - Method of consolidating NI-TI alloy parts in a pair of spectacles (2001-04-10),

2. 5570492 - Joint for eyeglass temples (1996-11-05),

3. 4983029 - Eyeglass frame having Ti-Ni-V alloy element with improved wear (1991-01-08),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#949 in Osaka

#8,934 in Japan

Osaka, Japan

Nakanishi Optical Corporation

Forward Citations = 20

2 inventors:

Eiichi Nakanishi (2 out of 6 patents)

Shoichi Sato (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nakanishi Optical Corporation. Retrieved from https://idiyas.com/company/nakanishi-optical

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]