KS

Kenji Sekine

HI Hitachi: 30 patents #925 of 28,497Top 4%
RT Renesas Technology: 10 patents #254 of 3,337Top 8%
Nissan Motor Co.: 6 patents #1,257 of 8,689Top 15%
HS Hitachi Tohbu Semiconductor: 5 patents #27 of 223Top 15%
NK Nippon Kogaku K.K.: 2 patents #156 of 382Top 45%
UN Uniden: 1 patents #69 of 137Top 55%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
FL Fujitsu Component Limited: 1 patents #204 of 281Top 75%
Overall (All Time): #63,182 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 26–46 of 46 patents

Patent #TitleCo-InventorsDate
6384680 RF amplifier with plural combiners Ken Takei 2002-05-07
6366788 Mobile telephone system Toru Fujioka, Isao Yoshida, Mineo Katsueda, Masatoshi Morikawa, Yoshikuni Matsunaga +1 more 2002-04-02
6337661 High frequency communication device Hiroshi Kondoh, Hiroshi Shinoda 2002-01-08
6330165 Semiconductor device Iwamichi Kohjiro, Yasuhiro Nunogawa, Sakae Kikuchi, Shizuo Kondo, Tetsuaki Adachi +3 more 2001-12-11
6249242 High-frequency transmitter-receiver apparatus for such an application as vehicle-onboard radar system Hiroshi Kondoh, Keigo Kamozaki, Hideyuki Nagaishi, Kazuo Matsuura, Terumi Nakazawa +3 more 2001-06-19
6236272 Traveling wave power combiner and radio base station Ken Takei, Masami Ohnishi 2001-05-22
6046637 Feedforward amplifier Hiroshi Kishida, Ken Takei, Hiroshi Okabe, Kazuyuki Hori 2000-04-04
5274341 High-frequency power amplifier Masami Ohnishi, Haruhiko Funaki, Nobuo Masuda, Akio Iso 1993-12-28
4933602 Apparatus for generating light by utilizing microwave Tetsuo Ono, Seiichi Murayama 1990-06-12
4647869 Microwave solid-state amplifier Yoichi Kaneko, Haruhiko Funaki 1987-03-03
4371244 Apparatus for controlling film advancement in a camera Koichi Daitoku, Nobuo Matsukawa, Shiro Sugimori 1983-02-01
4366546 Signal processor for skid control device Akira Tachibana, Akira Endo 1982-12-28
4356489 Vehicle speed sensing apparatus with electromagnetic wave interference detector Yukitsugu Hirota, Akira Endo 1982-10-26
4354191 Ground-speed Doppler radar for vehicles Akira Matsumura, Yoichi Kaneko, Akira Endo 1982-10-12
4346774 Doppler radar mounting structure for motor vehicles Yukitsugu Hirota, Akira Endo, Katsuhiro Kimura, Hiroshi Morozumi 1982-08-31
4340290 Electric rewind device for a camera Nobuo Matsukawa 1982-07-20
4319244 Short-range doppler radar Yukitsugu Hirota, Yoichi Kaneko, Akira Endo, Katsuhiro Kimura 1982-03-09
4316173 Doppler radar vehicle speed sensing system including means for checking system operation based on the detection of low frequency Doppler frequency components Akira Matsumura, Akira Endo 1982-02-16
4259743 Transmit/receive microwave circuit Yoichi Kaneko, Eiichi Hase, Akira Endo 1981-03-31
4255730 Microwave integrated circuit device Yoichi Kaneko 1981-03-10
4251817 Microwave integrated circuit device for transmission/reception of a signal Katsuhiro Kimura, Akira Endo, Takahiko Tanigami, Yoichi Kaneko 1981-02-17