MK

Masahiko Kawata

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
Overall (All Time): #765,093 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5668402 Semiconductor device Kazuhiro Mochizuki, Shigeo Goto, Chushirou Kusano, Hiroshi Masuda, Katsuhiko Mitani +1 more 1997-09-16
5381027 Semiconductor device having a heterojunction and a two dimensional gas as an active layer Toshiyuki Usagawa, Kenji Hiruma, Shigeo Goto, Katsuhiko Mitani, Masao Yamane +3 more 1995-01-10
5296733 Hetero junction bipolar transistor with improved electrode wiring contact region Chushiroh Kusano, Hiroshi Masuda, Katsuhiko Mitani, Kazuhiro Mochizuki, Masaru Miyazaki +1 more 1994-03-22
5258631 Semiconductor device having a two-dimensional electron gas as an active layer Toshiyuki Usagawa, Kenji Hiruma, Shigeo Goto, Katsuhiko Mitani, Masao Yamane +3 more 1993-11-02
5025751 Solid film growth apparatus Shinichiro Takatani, Shigeo Goto, Kenji Hiruma 1991-06-25
4740819 Photo semiconductor device Hirobumi Ouchi, Hiroshi Matsuda, Makoto Morioka, Kazuhiro Kurata, Yasushi Koga 1988-04-26
4212021 Light emitting devices Yuichi Ono, Mitsuhiro Mori, Makoto Morioka, Kazuhiro Ito, Kazuhiro Kurata 1980-07-08