AU

Akira Usui

Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
Yamaha: 15 patents #142 of 2,001Top 8%
NE Nec: 14 patents #843 of 14,502Top 6%
HC Hitachi Cable: 6 patents #88 of 1,086Top 9%
NS Nippon Gakki Seizo: 2 patents #116 of 332Top 35%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SO Sony: 1 patents #17,262 of 25,231Top 70%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
OU Osaka University: 1 patents #681 of 1,984Top 35%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #41,947 of 4,157,543Top 2%
58
Patents All Time

Issued Patents All Time

Showing 26–50 of 58 patents

Patent #TitleCo-InventorsDate
6345388 Method and apparatus for transmitting and receiving television signal Toshiro Nishio, Kiyoshi Imai 2002-02-05
6335763 Television receiver and additional information transmitting method Toshiro Nishio, Kiyoshi Imai, Kiyokazu Hagiwara 2002-01-01
6252261 GaN crystal film, a group III element nitride semiconductor wafer and a manufacturing process therefor Akira Sakai, Haruo Sunakawa, Masashi Mizuta, Yoshishige Matsumoto 2001-06-26
6183677 Method of manufacturing abrasive sheet with thin resin film Yukio Yoshida 2001-02-06
5928760 Abrasive sheet with thin resin film Yukio Yoshida 1999-07-27
5902393 Method for growing p-type gallium nitride based compound semiconductors by vapor phase epitaxy Masaaki Nido, Yasunori Mochizuki 1999-05-11
5598447 Integrated circuit device having internal fast clock source 1997-01-28
5553042 Optical disk recording device 1996-09-03
5526333 Optical disk recording device Katsuichi Osakabe, Yukihisa Nakajo, Yoshihiko Shiozaki 1996-06-11
5505159 Epitaxial growth method of semiconductor crystal and molecular beam epitaxy apparatus for the same Yuji Mochizuki, Toshikazu Takada 1996-04-09
5469806 Method for epitaxial growth of semiconductor crystal by using halogenide Yuji Mochizuki, Yoshie Chiba, Toshikazu Takada 1995-11-28
5355532 Television tuner unit having shield housing Kazuhiko Kubo, Akira Mishima 1994-10-11
5203032 Station selecting apparatus 1993-04-13
5179729 Tuner station selecting apparatus Akira Mishima, Kazuhiko Kubo 1993-01-12
5101369 Digital filter capable of sample rate alteration Junji Torii, Lenichi Takeuchi, Masamitsu Yamamura, Yusuke Yamamoto 1992-03-31
5093922 Receiving apparatus for receiving a BS-IF signal converted into a superhigh band or UHF band Kazuhiko Kubo, Minoru Ueda 1992-03-03
5014349 Television tuner for common use in BS/UV Kazuhiko Kubo, Seiji Sakashita, Hiroaki Ozeki, Ippei Kanno 1991-05-07
4866648 Digital filter 1989-09-12
4861941 Shielding device Kazuhiko Kubo, Susumu Saitou, Hiroyuki Nagai 1989-08-29
4835492 Voltage controlled oscillator having constant tuning bias voltage Hideyuki Ikuhara, Kazuhiko Kubo, Hiroyuki Nagai, Tetsuo Kutsuki 1989-05-30
4817195 Channel selection apparatus having automatic frequency compensation for transmission frequency error Kazuhiko Kubo, Minoru Miyata, Hideyuki Ikuhara, Hiroyuki Nagai, Tadashi Yamada 1989-03-28
4811254 Displacement detector for an encoder Kenzaburou Iijima, Yuoshinori Hayashi, Terumoto Nonaka 1989-03-07
4806876 High frequency amplifier circuit Seiji Sakashita, Kiyotake Fukui, Hiroyuki Nagai 1989-02-21
4797638 Oscillator including a transistor used both as constant current source and amplifier Kazuhiko Kubo, Hiroyuki Nagai 1989-01-10
4772862 Filter apparatus Kazuhiko Kubo, Hiroyuki Nagai, Hideyuki Miyake, Takashi Fujino 1988-09-20