HK

Hironobu Kawahara

HI Hitachi: 36 patents #629 of 28,497Top 3%
HH Hitachi High-Technologies: 2 patents #968 of 1,917Top 55%
Overall (All Time): #83,497 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
6036816 Apparatus for processing a sample having a metal laminate Masayuki Kojima, Yoshimi Torii, Michimasa Hunabashi, Kazuyuki Suko, Takashi Yamada +5 more 2000-03-14
5952245 Method for processing samples Yoshimi Torii, Kazuo Nojiri, Yoshinao Kawasaki, Yoshiaki Sato, Ryooji Fukuyama 1999-09-14
5900162 Plasma etching method and apparatus Yoshinao Kawasaki, Yoshiaki Sato, Ryooji Fukuyama 1999-05-04
5868854 Method and apparatus for processing samples Masayuki Kojima, Yoshimi Torii, Michimasa Hunabashi, Kazuyuki Suko, Takashi Yamada +5 more 1999-02-09
5861601 Microwave plasma processing apparatus and method Yoshiaki Sato, Mitsuru Katamoto, Minoru Soraoka, Tsuyoshi Umemoto, Hideki Kihara +3 more 1999-01-19
5770100 Method of treating samples Ryooji Fukuyama, Makoto Nawata, Yutaka Kakehi, Yoshiaki Sato, Yoshimi Torii +2 more 1998-06-23
5556714 Method of treating samples Ryooji Fukuyama, Makoto Nawata, Yutaka Kakehi, Yoshiaki Sato, Yoshimi Torii +2 more 1996-09-17
5380397 Method of treating samples Ryooji Fukuyama, Makoto Nawata, Yutaka Kakehi, Yoshiaki Sato, Yoshimi Torii +2 more 1995-01-10
5320707 Dry etching method Tadamitsu Kanekiyo, Yoshiaki Sato, Kotaro Fujimoto 1994-06-14
5200017 Sample processing method and apparatus Yoshinao Kawasaki, Yoshiaki Sato, Ryooji Fukuyama, Kazuo Nojiri, Yoshimi Torii 1993-04-06
5110408 Process for etching Takashi Fujii, Kazuo Takata, Masaharu Nishiumi, Noriaki Yamamoto 1992-05-05
5007981 Method of removing residual corrosive compounds by plasma etching followed by washing Yoshinao Kawasaki, Yoshiaki Sato, Ryooji Fukuyama, Kazuo Nojiri, Yoshimi Torii 1991-04-16
4985113 Sample treating method and apparatus Kotaro Fujimoto, Yoshie Tanaka, Yoshiaki Sato 1991-01-15
4795529 Plasma treating method and apparatus therefor Yoshinao Kawasaki, Yutaka Kakehi, Kado Hirobe, Katsuyoshi Kudo 1989-01-03