TO

Tadashi Oka

UL Ulvac: 2 patents #199 of 680Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #1,467,069 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10276827 Device structure and method of producing the same Yuko Kato, Takahiro Yajima, Yousuke Matsumoto, Shouta Kanai, Yasuaki Murata 2019-04-30
8724288 Electrostatic chuck and vacuum processing apparatus Tadayuki Satou, Kyuzo Nakamura 2014-05-13
5859862 Optical recording/reproducing apparatus having laser diode driver capable of a linear operation responsive to an input signal representative of a laser beam power varying depending on a magneto-optical disk-laser beam spot relative speed Kazuhiko Hikasa 1999-01-12