TO

Takasumi Ohyanagi

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
DE Denso: 6 patents #2,220 of 11,792Top 20%
Overall (All Time): #386,772 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7763504 Method for manufacturing silicon carbide semiconductor device Rajesh Kumar, Tsuyoshi Yamamoto, Hiroki Nakamura, Toshiyuki Morishita, Atsuo Watanabe 2010-07-27
7663181 Semiconductor device Atsuo Watanabe, Toshio Sakakibara, Tsuyoshi Yamamoto, Hiroki Nakamura 2010-02-16
7355207 Silicon carbide semiconductor device and method for manufacturing the same Rajesh Kumar, Tsuyoshi Yamamoto, Hiroki Nakamura, Toshiyuki Morishita, Atsuo Watanabe 2008-04-08
7335928 Semiconductor device having a metal conductor in ohmic contact with the gate region on the bottom of each the first groove Atsuo Watanabe, Rajesh Kumar Malhan, Tsuyoshi Yamamoto, Toshiyuki Morishita 2008-02-26
7307313 Semiconductor device including a vertical field effect transistor, having trenches, and a diode Atsuo Watanabe, Toshio Sakakibara, Tsuyoshi Yamamoto, Hiroki Nakamura, Rajesh Kumar Malhan 2007-12-11
7230283 Semiconductor device having a metal conductor in ohmic contact with the gate region on the bottom of each groove Atsuo Watanabe, Rajesh Kumar Malhan, Tsuyoshi Yamamoto, Toshiyuki Morishita 2007-06-12
7067878 Field effect transistor Atsuo Watanabe 2006-06-27
6909155 Semiconductor on insulator device Atsuo Watanabe 2005-06-21
6885067 SOI semiconductor device Atsuo Watanabe 2005-04-26
6750513 Semiconductor device for driving plasma display panel Atsuo Watanabe 2004-06-15
6657257 Insulated gate field effect transistor and semiconductor integrated circuit Atsuo Watanabe 2003-12-02
6570240 Semiconductor device having a lateral bipolar transistor and method of manufacturing same Atsuo Watanabe 2003-05-27
6498368 Power semiconductor device Kozo Sakamoto, Yosuke Inoue, Akihiro Miyauchi, Masaki Shiraishi, Mutsuhiro Mori +1 more 2002-12-24