TU

Toshiyuki Usagawa

HI Hitachi: 21 patents #1,645 of 28,497Top 6%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
Overall (All Time): #195,814 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10466198 Gas sensor Yoshitaka Sasago, Hitoshi Nakamura 2019-11-05
10151725 Sensor system and device Kazuo Ono 2018-12-11
9857322 Semiconductor gas sensor 2018-01-02
9484448 Semiconductor gas sensor and method for producing the same 2016-11-01
9383329 Gas sensor and a method of manufacturing the same 2016-07-05
9228973 Gas sensor 2016-01-05
7541811 Apparatus for electron spin resonance CT 2009-06-02
5746826 Method and apparatus for forming microstructure body Tsuyoshi Hasegawa, Shigeyuki Hosoki, Makiko Kohno, Masakazu Ichikawa, Hitoshi Nakahara 1998-05-05
5670804 PN-junction gate FET Akemi Sawada, Kenichi Tominaga 1997-09-23
5567961 Semiconductor device Atsushi Takai, Hiroyuki Itoh 1996-10-22
5455451 Superconductized semiconductor device using penetrating Cooper pairs Masashi Kawasaki, Kensuke Ogawa, Toshiyuki Aida 1995-10-03
5381027 Semiconductor device having a heterojunction and a two dimensional gas as an active layer Kenji Hiruma, Masahiko Kawata, Shigeo Goto, Katsuhiko Mitani, Masao Yamane +3 more 1995-01-10
5373191 Semiconductor device and method of producing the same Yoshinori Imamura, Hidekazu Okuhira, Shigeo Goto, Masayoshi Kobayashi, Shinichiro Takatani 1994-12-13
5332910 Semiconductor optical device with nanowhiskers Keiichi Haraguchi, Kenji Hiruma, Kensuke Ogawa, Toshio Katsuyama, Ken Yamaguchi +4 more 1994-07-26
5293084 High speed logic circuit Hiroyuki Itoh, Atsushi Takai 1994-03-08
5258631 Semiconductor device having a two-dimensional electron gas as an active layer Kenji Hiruma, Masahiko Kawata, Shigeo Goto, Katsuhiko Mitani, Masao Yamane +3 more 1993-11-02
5233205 Quantum wave circuit Shirun Ho, Ken Yamaguchi, Yoshiaki Takemura 1993-08-03
5181087 Semiconductor device and method of producing the same Yoshinori Imamura, Hidekazu Okuhira, Shigeo Goto, Masayoshi Kobayashi, Shinichiro Takatani 1993-01-19
4805005 Semiconductor device and manufacturing method of the same Yasuhiro Shiraki, Yuichi Ono, Susumu Takahashi, Norikazu Hashimoto 1989-02-14
4710787 Semiconductor device Yuichi Ono, Susumu Takahashi 1987-12-01
4683487 Heterojunction bipolar transistor Kiichi Ueyanagi, Susumu Takahashi, Yasunari Umemoto, Toshihisa Tsukada 1987-07-28
4605945 Semiconductor device Yoshifumi Katayama, Yasuhiro Shiraki, Ken Yamaguchi, Yoshimasa Murayama, Yasushi Sawada +1 more 1986-08-12