HM

Hisashi Matsumura

HI Hitachi: 9 patents #4,653 of 28,497Top 20%
HC Hitachi Software Engineering Co.: 2 patents #91 of 502Top 20%
GC Globalwafers Japan Co.: 1 patents #21 of 44Top 50%
OU Osaka University: 1 patents #681 of 1,984Top 35%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
Overall (All Time): #438,398 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12371813 Silicon wafer and method for producing silicon wafer Haruo Sudo, Takashi Ishikawa, Koji Izunome, Tatsuhiko Aoki, Shoji Ikeda +2 more 2025-07-29
8673748 Method for fabricating semiconductor thin film using substrate irradiated with focused light, apparatus for fabricating semiconductor thin film using substrate irradiated with focused light, method for selectively growing semiconductor thin film using substrate irradiated with focused light, and semiconductor element using substrate irradiated with focused light Shunro Fuke, Yasuo Kanematsu, Kazuyoshi Itoh 2014-03-18
6845096 Web phone dialer system apparatus and method Yasunobu Hori, Yoshiyuki Sato 2005-01-18
5594426 Network station and network management system Kazuhiro Ushijima, Fumiaki Matsuura 1997-01-14
5351040 Control system for configuring ring LAN with improved reconfiguration operation Fumiaki Matsuura, Kazuhiro Ushijima, Masahide Kouhei, Tsutomu Koita 1994-09-27
5046039 Buffer management system Atsushi Ugajin, Tokuhiro Niwa 1991-09-03
4984233 Method and apparatus for testing station address in network Susumu Nakayashiki, Jiro Kashio, Hiroyuki Wada, Yoshihito Sako, Fumiaki Matsuura +1 more 1991-01-08
RE33181 Data transmission system adapted to facilitate detection of safe receipt of a transmitted data frame by a receiving station Toyokazu Hashimoto, Masahiko Kida, Hiroyuki Wada 1990-03-13
4769807 Loop back control system Tokuhiro Niwa, Atsushi Ugajin 1988-09-06
4558428 Data transmission system adapted to facilitate detection of safe receipt of a transmitted data frame by a receiving station Toyokazu Hashimoto, Masahiko Kida, Hiroyuki Wada 1985-12-10
4435704 Loop transmission system Toyokazu Hashimoto, Hiroyuki Wada, Masahiko Kida, Susumu Nakayashiki 1984-03-06