% Expired Patents = 50.0

Forward Citations = 8

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5 inventors (with patents filed for the assignee):

Tamio Ida (4 out of 4 patents)

Akio Nakanishi (2 out of 2 patents)

Yoshimasa Kawami (2 out of 2 patents)

4. Jun Satou (2 out of 2 patents)

5. Ayumu Yamazaki (1 out of 4 patents)

4 patents: Sort by Forward Citations

1. 8747495 - Solidified biomass (2014-06-10),

2. 8460515 - Biocoke producing apparatus and process therefor (2013-06-11),

3. 8454801 - Apparatus and process for producing biocoke (2013-06-04),

4. 8211274 - Solidified biomass and production method thereof (2012-07-03),

Company Overview

Naniwa Roki Co., Ltd. is a Japanese company specializing in the production of abrasive products and polishing materials. With over 60 years of experience, they have developed a reputation for high-quality products and innovative technology. Their products are used in various industries such as automotive, manufacturing, and construction. Naniwa Roki Co., Ltd. is committed to providing cutting-edge solutions to meet the needs of their customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#808 in Osaka

#7,573 in Japan

Osaka, Japan

Naniwa Roki Co., Ltd.

Forward Citations = 8

5 inventors:

Tamio Ida (4 out of 4 patents)

Akio Nakanishi (2 out of 2 patents)

Yoshimasa Kawami (2 out of 2 patents)

4. Jun Satou (2 out of 2 patents)

5. Ayumu Yamazaki (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Naniwa Roki Co., Ltd.. Retrieved from https://idiyas.com/company/naniwa-roki-company

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]