13 Utility and 8 Design Patents
#12,207 in Tokyo
#63,483 in Japan
#297,277 in the World
rank by utility patentsForward Citations = 400
Company Filing History:

Jx Nippon Oil & Energy Corporation
Nippon Oil Corporation
4. 1 out of 153
Tokyo Kogaku Kikai Kabushiki Kaisha
5. 1 out of 3
Tokyo Kogaku Kikai Kabushiki
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