RA

Ryotaro Akiba

DC Dainichiseika Color & Chemicals Mfg. Co.: 1 patents #184 of 376Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Yonezawa, JP: #75 of 131 inventorsTop 60%
Overall (All Time): #2,937,567 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9608217 Transistor element Ken Nakayama, Junji Kido, Naomi Oguma, Naoki Hirata 2017-03-28