SM

Sunao Matsubara

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Overall (All Time): #882,590 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6478977 Polishing method and apparatus Shigeo Moriyama, Katsuhiko Yamaguchi, Yoshio Homma, Yoshihiro Ishida, Ryousei Kawa-ai 2002-11-12
6180020 Polishing method and apparatus Shigeo Moriyama, Katsuhiko Yamaguchi, Yoshio Homma, Yoshihiro Ishida, Ryousei Kawa-ai 2001-01-30
5815396 Vacuum processing device and film forming device and method using same Hideaki Shimamura, Yuji Yoneoka, Shigeru Kobayashi, Satosi Kisimoto, Hiroyuki Shida +6 more 1998-09-29
5707500 Vacuum processing equipment, film coating equipment and deposition method Hideaki Shimamura, Yuji Yoneoka, Shigeru Kobayashi, Satosi Kisimoto, Hiroyuki Shida +6 more 1998-01-13
4721535 Solar cell Haruo Itoh, Toshikazu Shimada, Shin-ichi Muramatsu, Nobuo Nakamura 1988-01-26
4642412 Photo-electronic conversion apparatus with light pattern discriminator Shinichi Muramatsu, Toshikazu Shimada, Haruo Itoh, Nobuo Nakamura 1987-02-10