KY

Kenji Yokoyama

NS Nippon Gakki Seizo: 37 patents #1 of 332Top 1%
Yamaha: 15 patents #142 of 2,001Top 8%
Tdk: 14 patents #399 of 3,796Top 15%
TK Terumo Kabushiki Kaisha: 10 patents #119 of 1,558Top 8%
FM Flying Mole: 6 patents #1 of 3Top 35%
PA Panasonic: 6 patents #4,438 of 21,108Top 25%
TC Toppan Printing Co.: 6 patents #114 of 1,467Top 8%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
Canon: 5 patents #9,253 of 19,416Top 50%
SE Seiko Epson: 5 patents #2,973 of 7,774Top 40%
SO Sony: 4 patents #8,966 of 25,231Top 40%
NE Nec Environment Engineering: 4 patents #1 of 16Top 7%
TK Toshiba Tec Kabushiki Kaisha: 4 patents #629 of 1,664Top 40%
TA Tanita: 3 patents #51 of 216Top 25%
NP Nidec Pigeon: 3 patents #2 of 6Top 35%
NT NTT: 3 patents #1,627 of 4,871Top 35%
S( Sae Magnetics (H.K.): 3 patents #146 of 585Top 25%
TC Toagosei Chemical Industry Co.: 2 patents #16 of 115Top 15%
MI Mitsui Petrochemical Industries: 2 patents #322 of 1,024Top 35%
MB Mitsubishi Fuso Truck And Bus: 2 patents #35 of 114Top 35%
KI Katayanagi Institute: 2 patents #2 of 15Top 15%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
MI Mitsu Petrochemical Ind.: 1 patents #11 of 29Top 40%
KK Kanto Kagaku: 1 patents #73 of 181Top 45%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
KC Konami Digital Entertainment Co.: 1 patents #313 of 611Top 55%
Overall (All Time): #7,870 of 4,157,543Top 1%
134
Patents All Time

Issued Patents All Time

Showing 51–75 of 134 patents

Patent #TitleCo-InventorsDate
6992527 Digital power amplifier 2006-01-31
6908446 Blood reservoir Kazuhiko Takeuchi 2005-06-21
6863290 Suspension 2005-03-08
6832773 Suspension 2004-12-21
6821858 Semiconductor devices and methods for manufacturing the same Tatsuru Namatame 2004-11-23
6744318 Digital power amplifier Yasuo Yamada 2004-06-01
6585426 Optical module using wiring lead integrated resin substrate Yoshito Shuto, Michiyuki Amano, Takeshi Kurosaki, Takashi Tadokoro, Makoto Nakamura +4 more 2003-07-01
6580088 Semiconductor devices and methods for manufacturing the same Tatsuru Namatame 2003-06-17
6495101 Hollow fiber membrane oxygenator Takao Anzai, Atsuo Okumura, Yuu Kasori 2002-12-17
6304687 Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit Yasuyuki Inoue, Akimasa Kaneko, Hiroshi Takahashi, Fumiaki Hanawa, Kuninori Hattori +9 more 2001-10-16
6222967 Packaging platform, optical module using the platform, and methods for producing the platform and the module Michiyuki Amano, Shunichi Tono, Hirotsugu Sato, Yasuaki Tamura, Yoshito Shuto +10 more 2001-04-24
5880943 Snubber circuit for a switching power source 1999-03-09
5838556 Switching power supply circuit 1998-11-17
5751560 Switching power circuit with current resonance for zero current switching 1998-05-12
5621494 Camera having light-source determining function Jiro Kazumi, Toru Nagata 1997-04-15
5515256 Self exciting type switching power supply circuit 1996-05-07
5419938 Magnetic recording medium comprising two magnetic layers of hexagonal ferrite magnetic particles and binder wherein the easy axes of the particle is specified Tsuneo Kagotani, Keiji Koga, Yasumichi Tokuoka 1995-05-30
5355189 Camera having a zoom flash unit Ryuichi Kobayashi, Hidehiko Fukahori, Tsuyoshi Fukuda 1994-10-11
5312772 Method of manufacturing interconnect metallization comprising metal nitride and silicide Juri Kato, Masashi Ogita 1994-05-17
5280543 Acoustic apparatus and driving apparatus constituting the same Masao Noro 1994-01-18
5264894 Camera Ryuichi Kobayashi, Hidehiko Fukahori, Tsuyoshi Fukuda 1993-11-23
5262260 Photoreceptor containing carrier transport with polysilane and phenylene diamine Masaaki Yokoyama 1993-11-16
5247204 Semiconductor device having multilayer interconnection structure 1993-09-21
5227234 Thermal adhesive vibration damping sheets Kakutaro Kauchi, Youhei Suzuki, Yasumasa Fujii, Yoshio Iida, Masahiko Ooyama 1993-07-13
5191616 Acoustic apparatus 1993-03-02