Johnan Manufacturing Inc. is a prominent company based in Nagano, Japan, specializing in the development and production of high-quality optical and electronic components. The organization focuses on advanced technologies in areas such as imaging systems, optical devices, and precision measurement instruments. With a commitment to innovation, Johnan serves various industries, including healthcare and industrial applications, by providing cutting-edge solutions that enhance performance and reliability in their respective fields.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

23 Patents

#44 in Nagano

#2,707 in Japan

#27,714 in the World

Nagano, Japan

Johnan Manufacturing Inc.

Forward Citations = 51

31 inventors:

Hideaki Takehara (5 out of 11 patents)

Hiroki Shimizu (5 out of 6 patents)

Hideaki Kashiwagi (3 out of 10 patents)

4. Hideo Kashiwabara (3 out of 3 patents)

5. Yukihide Yamazaki (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Johnan Manufacturing Inc.. Retrieved from https://idiyas.com/company/johnan-manufacturing

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]

1 patent (EPO):

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]