Pacific Rundum Company Ltd.

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USPTO Granted Patents = 2

Forward Citations = 33

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7 inventors (with patents filed for the assignee):

Nobuo Kageyama (2 out of 5 patents)

Takuro Ono (1 out of 11 patents)

Ryuhei Makimura (1 out of 1 patent)

4. Koji Furukawa (1 out of 2 patents)

5. Hideji Numata (1 out of 2 patents)

6. Takahiro Nakayama (1 out of 3 patents)

7. Takashi Chikaso (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 5925310 - Method of making a silicon carbide product (1999-07-20),

2. 5179049 - Heat treating apparatuses for semiconductors and high purity silicon (1993-01-12),

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USPTO Data Jan 1 1976 - Nov 3 2026

2 Patents

#4,379 in Tokyo

#11,154 in Japan

Tokyo, Japan

Pacific Rundum Company Ltd.

Forward Citations = 33

7 inventors:

Nobuo Kageyama (2 out of 5 patents)

Takuro Ono (1 out of 11 patents)

Ryuhei Makimura (1 out of 1 patent)

4. Koji Furukawa (1 out of 2 patents)

5. Hideji Numata (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pacific Rundum Company Ltd.. Retrieved from https://idiyas.com/company/pacific-rundum-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]