YM

Yoshimasa Murayama

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
📍 Koganei, JP: #77 of 449 inventorsTop 20%
Overall (All Time): #427,189 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6525336 Superfine electronic device and method for making same Seiichi Kondo, Yasuo Wada, Tsuyoshi Uda, Tokuo Kure, Tsuneo Ichiguchi +1 more 2003-02-25
6153500 Atomic wire and atomic wire switch Satoshi Watanabe, Yoshimasa Ono, Tomihiro Hashizume, Yasuo Wada 2000-11-28
6114762 Atomic wire and atomic wire switch Satoshi Watanabe, Yoshimasa Ono, Tomihiro Hashizume, Yasuo Wada 2000-09-05
5003366 Hetero-junction bipolar transistor Tomoyoshi Mishima, Junichi Kasai 1991-03-26
4967141 Method of taking out and storing energy in a superconductive ring or coil Masashi Kiguchi 1990-10-30
4796068 Semiconductor device having ultrahigh-mobility Yoshifumi Katayama, Yasuhiro Shiraki 1989-01-03
4785340 Semiconductor device having doping multilayer structure Kiyokazu Nakagawa, Akitoshi Ishizaka, Yasuhiro Shiraki 1988-11-15
4759030 Semiconductor laser Yasutsugu Takeda, Michiharu Nakamura, Yasuhiro Shiraki, Yoshifumi Katayama, Naoki Chinone 1988-07-19
4673959 Heterojunction FET with doubly-doped channel Yasuhiro Shiraki, Yoshifumi Katayama, Makoto Morioka, Yasushi Sawada, Tomoyoshi Mishima +2 more 1987-06-16
4605945 Semiconductor device Yoshifumi Katayama, Yasuhiro Shiraki, Ken Yamaguchi, Yasushi Sawada, Toshiyuki Usagawa +1 more 1986-08-12
4559547 Semiconductor device Yasuhiro Shiraki, Yoshifumi Katayama, Eiichi Maruyama 1985-12-17
4433202 Thin film solar cell Eiichi Maruyama, Toshikazu Shimada, Yasuhiro Shiraki, Yoshifumi Katayama, Hirokazu Matsubara +2 more 1984-02-21