KW

Katsuyoshi Washio

HI Hitachi: 36 patents #629 of 28,497Top 3%
HC Hitachi Device Engineering Co.: 12 patents #19 of 514Top 4%
RT Renesas Technology: 10 patents #254 of 3,337Top 8%
HE Hitachi Micro Computer Engineering: 2 patents #45 of 393Top 15%
Overall (All Time): #61,091 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 1–25 of 47 patents

Patent #TitleCo-InventorsDate
8711523 Stacked magnetoresistance device responsive to a magnetic field generally perpendicular to a side face running along a channel of the device Susumu Ogawa, David Williams, Hiroshi Fukuda 2014-04-29
8212615 Variable-gain amplifier circuit and wireless communication device integrated circuit equipped therewith Toru Masuda, Nobuhiro Shiramizu, Takahiro Nakamura 2012-07-03
8121579 Active mixer circuit and a receiver circuit or a millimeter-wave communication unit using it Nobuhiro Shiramizu, Toru Masuda, Takahiro Nakamura, Masamichi Tanabe 2012-02-21
7842973 Semiconductor device and manufacturing method of the same Makoto Miura, Hiromi Shimamoto 2010-11-30
7521734 Semiconductor device with reduced base resistance Eiji Oue, Hiromi Shimamoto, Katsuya Oda, Makoto Miura 2009-04-21
7368763 Semiconductor device and manufacturing method thereof Makoto Miura, Katsuya Oda 2008-05-06
7214973 Semiconductor device and method of manufacturing the same Makoto Miura, Hiromi Shimamoto 2007-05-08
7098740 Radio frequency power amplifier and communication system Masao Kondo, Toru Masuda 2006-08-29
7095043 Semiconductor device, semiconductor circuit module and manufacturing method of the same Katsuya Oda, Nobuyuki Sugii, Makoto Miura, Isao Suzumura 2006-08-22
7071500 Semiconductor device and manufacturing method for the same Makoto Miura, Hiromi Shimamoto 2006-07-04
7045412 Field-effect type semiconductor device for power amplifier Nobuyuki Sugii, Masatoshi Morikawa, Isao Yoshida 2006-05-16
6995054 Method of manufacturing a semiconductor device Katsuya Oda 2006-02-07
6987983 Radio frequency monolithic integrated circuit and method for manufacturing the same Masao Kondo, Masatada Horiuchi 2006-01-17
6974977 Heterojunction bipolar transistor Reiko Hayami, Hiromi Shimamoto, Masao Kondo, Katsuya Oda, Eiji Oue +1 more 2005-12-13
6956255 Semiconductor device and drive circuit using the semiconductor devices Eiji Oue, Masao Kondo, Hiromi Shimamoto 2005-10-18
6936875 Insulated-gate field-effect transistor, method of fabricating same, and semiconductor device employing same Nobuyuki Sugii, Kazuhiro Ohnishi 2005-08-30
6815707 Field-effect type semiconductor device for power amplifier Nobuyuki Sugii, Masatoshi Morikawa, Isao Yoshida 2004-11-09
6815822 BICMOS semiconductor integrated circuit device and fabrication process thereof Masao Kondo, Eiji Oue, Hiromi Shimamoto 2004-11-09
6785477 Optical receiver using variable negative-capacitance circuit Toru Masuda, Taizo Yoshikawa, Eiji Ohue, Kenichi Ohhata 2004-08-31
6723541 Method of producing semiconductor device and semiconductor substrate Nobuyuki Sugii, Shinya Yamaguchi 2004-04-20
6724019 Multi-layered, single crystal field effect transistor Katsuya Oda 2004-04-20
6667489 Heterojunction bipolar transistor and method for production thereof Isao Suzumura, Katsuya Oda 2003-12-23
6658217 Optical receiver Kenichi Ohhata, Ryoji Takeyari, Toru Masuda, Yasushi Hatta 2003-12-02
6653715 Bipolar transistor Masao Kondo, Katsuya Oda 2003-11-25
6600178 Heterojunction bipolar transistor Reiko Hayami, Hiromi Shimamoto, Masao Kondo, Katsuya Oda, Eiji Oue +1 more 2003-07-29