KT

Kazuo Tai

OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
UN Unitika: 1 patents #257 of 620Top 45%
Overall (All Time): #3,669,631 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5994261 Method of producing activated carbon fiber Satoshi Kibe, Kazuaki Otsuki, Norifumi Shindo, Masaya Hashimoto, Yukihiro Ohtaguro +2 more 1999-11-30