IT

Isao Takahashi

HI Hitachi: 20 patents #1,757 of 28,497Top 7%
FL Flosfia: 17 patents #4 of 45Top 9%
SO Sony: 14 patents #3,108 of 25,231Top 15%
AC Alps Electric Co.: 14 patents #83 of 2,177Top 4%
NE Nec: 8 patents #1,742 of 14,502Top 15%
NI Nikon: 7 patents #587 of 2,493Top 25%
UN Unknown: 6 patents #2,010 of 83,584Top 3%
FC Furukawa Electric Co.: 5 patents #398 of 2,370Top 20%
KS Kawasaki Steel: 5 patents #213 of 1,922Top 15%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
HC Hitachi Consumer Electronics Co.: 4 patents #57 of 447Top 15%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
FH Fujifilm Healthcare: 3 patents #29 of 164Top 20%
NS Nec Display Solutions: 3 patents #63 of 237Top 30%
SS Sharp Nec Display Solutions: 3 patents #6 of 68Top 9%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
NU National University Corporation Gunma University: 2 patents #32 of 263Top 15%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
JL Japan Aviation Electronics Industry, Limited: 2 patents #337 of 728Top 50%
FU Fujikura: 2 patents #518 of 1,407Top 40%
FU Fujifilm: 2 patents #2,431 of 4,519Top 55%
SC Sanken Electric Co.: 2 patents #130 of 315Top 45%
TS Toshiba Infrastructure Systems & Solutions: 2 patents #94 of 424Top 25%
HM Hitachi Aloka Medical: 2 patents #19 of 93Top 25%
NC Nippon Avionics Co.: 1 patents #11 of 51Top 25%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
OC Oji-Yuka Synthetic Paper Co.: 1 patents #18 of 43Top 45%
SC Sankei Giken Kogyo Co.: 1 patents #23 of 64Top 40%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
ST Sharp Display Technology: 1 patents #115 of 250Top 50%
PE Pentax: 1 patents #515 of 761Top 70%
JS Jfe Steel: 1 patents #825 of 1,401Top 60%
TC Tachikawa Spring Co.: 1 patents #29 of 77Top 40%
Tdk: 1 patents #2,493 of 3,796Top 70%
TC Tohoku Techno Arch Co.: 1 patents #52 of 193Top 30%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
TC Tokyo Juki Industrial Co.: 1 patents #40 of 89Top 45%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
TK Toshiba Tec Kabushiki Kaisha: 1 patents #1,144 of 1,664Top 70%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
ZG Zexel Gmbh: 1 patents #175 of 348Top 55%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #5,900 of 4,157,543Top 1%
153
Patents All Time

Issued Patents All Time

Showing 126–150 of 153 patents

Patent #TitleCo-InventorsDate
5483805 Control apparatus for an air conditioning system for an electric vehicle Kazuo Fujii, Junichiro Hara, Takayoshi Matsuoka 1996-01-16
5402331 Power device Masataka Mitani 1995-03-28
5385008 Yarn break detecting device for spinning machine Syozaburo Makino, Masanori Kishigami 1995-01-31
5358786 Electric insulated wire and cable using the same Izumi Ishikawa, Hideo Sunazuka, Akira Yoshino, Masatake Hasegawa, Motohisa Murayama 1994-10-25
5297114 Magneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelength Tsuyoshi Itoh, Isao Okuda, Toshiyuki Kase, Hiroshi Nishikawa, Ryoto Ogawa +3 more 1994-03-22
5213176 Self-propelled vehicle Noriyuki Oroku, Takamichi Suzuki, Toyohide Hamada, Minoru Ikeda, Hiroshi Kikuchi +3 more 1993-05-25
5153518 Synthetic equivalent test circuit of circuit breaker Minori Satoh, Yukio Kurosawa, Kastuichi Kashimura, Kunio Hirasawa 1992-10-06
5105270 Synchronous image input method and system therefor Akira Sema 1992-04-14
5065060 Flywheel type energy storage apparatus Kazuhiko Tanaka, Akinori Nishihiro, Takeshi Irino 1991-11-12
4962976 A.C. motor drive method and apparatus for precision positional control Makoto Iwata 1990-10-16
4946528 Method and equipment for producing protective-coated steel pipe Toyokazu Sakaki 1990-08-07
4933831 Power supply Masataka Mitani, Minoru Maehara 1990-06-12
4866513 Color contrast correction system for video images obtained from color film 1989-09-12
4830686 Low yield ratio high-strength annealed steel sheet having good ductility and resistance to secondary cold-work embrittlement Koichi Hashiguchi, Akio Tosaka, Toshio Irie 1989-05-16
4817546 Shirring control apparatus and method Taishi Yokoyama, Masahiko Sato 1989-04-04
4802017 Device for recording image signals of photographic pictures Takahiro Ohta 1989-01-31
4800478 Method and apparatus for controlling PWM inverter 1989-01-24
4785675 Method of and device for detecting torque Shuuhei Takasu, Takao Terabayashi, Yoichi Daiko 1988-11-22
4779703 Silencing device for internal combustion engine Shiro Takiguchi, Hiroo Kawakami, Masaki Kojima 1988-10-25
4770719 Method of manufacturing a low yield ratio high-strength steel sheet having good ductility and resistance to secondary cold-work embrittlement Koichi Hashiguchi, Akio Tosaka, Toshio Irie 1988-09-13
4763060 AC motor drive method and system using a pulse width modulated inverter 1988-08-09
4734781 Automatic framing device for photographic use 1988-03-29
4648381 Gas cooking oven Toshio Ishii, Yasuhisa Sakamoto 1987-03-10
4561910 Dual phase-structured hot rolled high-tensile strength steel sheet and a method of producing the same Toshiyuki Kato, Toshio Irie, Yozo Ogawa 1985-12-31
4550356 Circuit breaker 1985-10-29