HF

Hiroshi Fujii

HI Hitachi: 45 patents #373 of 28,497Top 2%
SO Sony: 26 patents #1,436 of 25,231Top 6%
Mitsubishi Electric: 17 patents #1,334 of 25,717Top 6%
Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
PA Panasonic: 12 patents #2,079 of 21,108Top 10%
The Yokohama Rubber Co.: 8 patents #176 of 1,136Top 20%
Mazda Motor: 8 patents #447 of 4,755Top 10%
NC Nippon Soda Co.: 8 patents #30 of 648Top 5%
Nissan Motor Co.: 6 patents #1,257 of 8,689Top 15%
Pioneer Electronic: 6 patents #303 of 1,840Top 20%
DE Denso: 5 patents #2,617 of 11,792Top 25%
NC Nkk Co.: 5 patents #99 of 1,173Top 9%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
NT NTT: 4 patents #1,310 of 4,871Top 30%
KC Kuraray Co.: 4 patents #386 of 1,827Top 25%
RE Renesas Electronics: 4 patents #1,016 of 4,529Top 25%
Casio Computer Co.: 3 patents #744 of 1,970Top 40%
HC Hitachi Car Engineering Co.: 3 patents #152 of 465Top 35%
OM Omron: 3 patents #980 of 3,089Top 35%
Kawasaki: 2 patents #1,008 of 2,943Top 35%
HC Hitachi Keiyo Engineering Co.: 2 patents #32 of 115Top 30%
M( Mazda Motor Manufacturing (Usa): 2 patents #1 of 11Top 10%
MC Mitsubishi Oil Co.: 2 patents #21 of 83Top 30%
TC Toyo Kogyo Co.: 2 patents #32 of 216Top 15%
NO Noritz: 2 patents #93 of 228Top 45%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
CA Catalytic: 1 patents #37 of 77Top 50%
FC Fuji Electric Co.: 1 patents #1,354 of 2,643Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
GU Gifu University: 1 patents #31 of 107Top 30%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HK Hitachi Kiden Kogyo: 1 patents #8 of 28Top 30%
HO Horiba: 1 patents #319 of 604Top 55%
IN Inoac: 1 patents #65 of 232Top 30%
JP Jp Steel Plantech: 1 patents #11 of 40Top 30%
KS Kabushiki Kaisha Imasen Denki Seisakusho: 1 patents #14 of 42Top 35%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
ME Mitsubishi Jidosha Engineering: 1 patents #75 of 277Top 30%
MM Mitsubishi Motors: 1 patents #856 of 1,823Top 50%
NI Nagoya Industrial Science Research Institute: 1 patents #20 of 79Top 30%
NI Nifco: 1 patents #245 of 650Top 40%
NC Nippon Paint Holdings Co.: 1 patents #415 of 834Top 50%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
SU Shinshu University: 1 patents #77 of 261Top 30%
TM The Mitre: 1 patents #217 of 619Top 40%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
YI Yamakawa Industrial: 1 patents #5 of 23Top 25%
AC Aisin Takaoka Co.: 1 patents #59 of 172Top 35%
Overall (All Time): #2,868 of 4,157,543Top 1%
214
Patents All Time

Issued Patents All Time

Showing 76–100 of 214 patents

Patent #TitleCo-InventorsDate
6675766 Fuel injection valve and internal combustion engine mounting the same Ayumu Miyajima, Yoshio Okamoto, Yuzo Kadomukai, Shigenori Togashi, Kiyoshi Amo +3 more 2004-01-13
6668793 Internal combustion engine Yoshio Okamoto, Ayumu Miyajima, Yuzo Kadomukai, Motoyuki Abe, Shigenori Togashi +3 more 2003-12-30
6666397 Tape cassette and cassette holder Shuichi Ota 2003-12-23
6661328 Composite magnetic body, and magnetic element and method of manufacturing the same Osamu Inoue, Junichi Kato, Nobuya Matsutani, Takeshi Takahashi 2003-12-09
6657412 Pulse width modulation method, pulse width modulator and power converter Seiji Ishida, Keijiro Sakai, Toshiaki Okuyama, Hiroyuki Tomita, Tatsuo Ando +2 more 2003-12-02
6653884 Input interface circuit for semiconductor integrated circuit device Hideaki Ishihara 2003-11-25
6639377 Driving device for synchronous motor Yoshitaka Iwaji, Tsunehiro Endo, Noriaki Yamada, Kiyoshi Sakamoto 2003-10-28
6634333 Direct injection type internal combustion engine Mamoru Fujieda, Takuya Shiraishi 2003-10-21
6620488 Skin material, skinned cushion, and process for producing skinned cushion Tsunenori Oguri, Tsutomu Yano 2003-09-16
6614282 Clamp circuit for a semiconductor integrated circuit device Hirofumi Abe, Sinichi Noda, Hideaki Ishihara 2003-09-02
6612513 Tape cassette and cassette holder Shuichi Ota 2003-09-02
6611125 Method for calculating inertia moment and driver for electric motor Koichiro Nagata, Toshiaki Okuyama, Shigetoshi Okamatsu 2003-08-26
6558565 Composite magnetic material Nobuya Matsutani, Yuji Mido 2003-05-06
6556464 PWM converter system Keijirou Sakai, Toshiaki Okuyama, Kinya Nakatsu, Seiji Ishida, Junji Kato +1 more 2003-04-29
6531843 Driving system of AC motor Yoshitaka Iwaji, Tsunehiro Endo, Tatsuo Ando 2003-03-11
6519931 Direct gasoline injection type spark igniting internal combustion engine with turbocharger and the engine control method Mamoru Fujieda, Shinji Nakagawa 2003-02-18
6502541 Control system for direct fuel injection engine Matsuharu Abo, Yoshiyuki Tanabe, Koji Onishi, Toshio Ishii 2003-01-07
6496397 Inverter device Keijiro Sakai, Toshiaki Okuyama, Kinya Nakatsu, Seiji Ishida, Junji Kato +1 more 2002-12-17
6486548 Semiconductor module and power converting apparatus using the module Kinya Nakatsu, Toshio Ogawa, Akihiro Tamba, Hiroyuki Tomita, Norinaga Suzuki +2 more 2002-11-26
6453872 Fuel injection valve and internal combustion engine mounting the same Ayumu Miyajima, Yoshio Okamoto, Yuzo Kadomukai, Shigenori Togashi, Kiyoshi Amo +3 more 2002-09-24
6396229 Method of estimating a rotor position of synchronous motor, method of controlling synchronous motor with no position sensor and a controller of synchronous motor Kiyoshi Sakamoto, Tsunehiro Endou, Naohiko Takahashi, Haruo Miura 2002-05-28
6395575 Method of manufacturing sensor and resistor element Shinji Umeda, Koji Nomura, Akihiko Ibata, Takeshi Masutani 2002-05-28
6317697 Battery life determination apparatus and battery life determination method Tetsuo Yoshikawa, Shigemitsu Kiso 2001-11-13
6262385 Flash butt welding device Giichi Matsuo, Susumu Okawa 2001-07-17
6227953 Apparatus for removing burr by multiple-stage grinding machine Giichi Matsuo, Koji Okushima 2001-05-08