FH

Fumihiko Hasegawa

SC Shin-Etsu Handotai Co.: 25 patents #21 of 679Top 4%
FM Fujikoshi Machinery: 8 patents #6 of 85Top 8%
NS Nippon Steel: 2 patents #1,308 of 4,423Top 30%
NC Nippon Paper Industries Co.: 1 patents #263 of 535Top 50%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
Overall (All Time): #121,631 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
5298111 Automatic wafer transfer apparatus and a method for transferring wafers and an etching drum Tatsuya Yamamoto, Shinji Sato 1994-03-29
5282289 Scrubber apparatus for cleaning a thin disk work Makoto Tsukada, Hideo Kudo, Masayuki Yamada, Isao Uchiyama 1994-02-01
5246528 Automatic wafer etching method and apparatus Shinji Sato 1993-09-21
5174067 Automatic wafer lapping apparatus Hiromasa Hashimoto 1992-12-29
5126113 Apparatus for producing czochralski-grown single crystals Hirotoshi Yamagishi, Kouji Mizuishi 1992-06-30