Japan Insulation Co., Ltd

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USPTO Granted Patents = 2

Forward Citations = 8

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7 inventors (with patents filed for the assignee):

Masao Ishida (1 out of 6 patents)

Tadahisa Masatani (1 out of 3 patents)

Miyako Koga (1 out of 1 patent)

4. Kazuo Shibahara (1 out of 1 patent)

5. Kenichi Tsuge (1 out of 1 patent)

6. Kiyoshi Ikawa (1 out of 1 patent)

7. Shinji Nakagawa (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 7462576 - Automobile exhaust gas purifying combustion catalysts (2008-12-09),

2. 5370852 - Primary particles of amorphous silica composite material, secondary (1994-12-06),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#1,146 in Osaka

#11,154 in Japan

Osaka, Japan

Japan Insulation Co., Ltd

Forward Citations = 8

7 inventors:

Masao Ishida (1 out of 6 patents)

Tadahisa Masatani (1 out of 3 patents)

Miyako Koga (1 out of 1 patent)

4. Kazuo Shibahara (1 out of 1 patent)

5. Kenichi Tsuge (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Japan Insulation Co., Ltd. Retrieved from https://idiyas.com/company/japan-insulation-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]