HD

Hirokazu Ootaka, deceased

TC Toyo Ink Mfg. Co.: 1 patents #227 of 499Top 50%
📍 Oshima, JP: #663 of 1,090 inventorsTop 65%
Overall (All Time): #3,646,545 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5891539 Colorant resin composition Izumi Nakane, Mitsuaki Nakata, Susumu Miyashita, Masashi Koide, Toshiaki Ootaka, heir 1999-04-06