TO

Toshiyuki Ohban

NO Nippon Oil: 1 patents #392 of 773Top 55%
Overall (All Time): #3,927,269 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
4828493 Denture base Masao Nambu, Osamu Kuwabara, Yoshihiko Okuno 1989-05-09