YU

Yasunari Umemoto

MC Murata Manufacturing Co.: 68 patents #28 of 5,295Top 1%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
RT Renesas Technology: 6 patents #492 of 3,337Top 15%
RE Renesas Electronics: 2 patents #1,855 of 4,529Top 45%
HC Hitachi Ulsi Systems Co.: 1 patents #577 of 867Top 70%
AT Agency Of Industrial Science And Technology: 1 patents #568 of 1,778Top 35%
Overall (All Time): #19,095 of 4,157,543Top 1%
87
Patents All Time

Issued Patents All Time

Showing 76–87 of 87 patents

Patent #TitleCo-InventorsDate
6943387 Semiconductor device, manufacturing thereof and power amplifier module Isao Ohbu, Tomonori Tanoue, Chushiro Kusano, Atsushi Kurokawa, Kazuhiro Mochizuki +2 more 2005-09-13
6636118 High-frequency power amplification module and radio communication device Cyushiro Kusano, Eiichi Hase, Hideyuki Ono, Osamu Kagaya, Takahiro Fujita +1 more 2003-10-21
5351128 Semiconductor device having reduced contact resistance between a channel or base layer and a contact layer Shigeo Goto, Hidetoshi Matsumoto, Masamitsu Yazawa, Yoko Uchida, Kenji Hiruma 1994-09-27
5132752 Field effect transistor Nobuo Kotera, Kiichi Ueyanagi, Norikazu Hashimoto, Nobutoshi Matsunaga, Yasuo Wada +4 more 1992-07-21
5124770 Field effect transistor with alpha particle protection Kiichi Ueyanagi, Junji Shigeta, Norikazu Hashimoto 1992-06-23
5068605 Semiconductor integrated circuit device and method of testing the same Moritoshi Yasunaga, Noboru Masuda, Hideo Todokoro, Hirotoshi Tanaka, Hiroyuki Itoh 1991-11-26
5027167 Semiconductor intergrated circuit Osamu Kagaya, Junji Shigeta 1991-06-25
4954866 Semiconductor integrated circuit memory Hirotoshi Tanaka, Hiroki Yamashita, Noboru Masuda, Junji Shigeta, Osamu Kagaya 1990-09-04
4698652 FET with Fermi level pinning between channel and heavily doped semiconductor gate Susumu Takahashi, Yuichi Ono 1987-10-06
4683487 Heterojunction bipolar transistor Kiichi Ueyanagi, Susumu Takahashi, Toshiyuki Usagawa, Toshihisa Tsukada 1987-07-28
4546540 Self-aligned manufacture of FET Kiichi Ueyanagi, Susumu Takahashi, Michiharu Nakamura 1985-10-15
4503599 Method of fabricating field effect transistors Kiichi Ueyanagi, Susumu Takahashi, Michiharu Nakamura 1985-03-12