HH

Hiroshi Hayakawa

AC Alps Electric Co.: 9 patents #184 of 2,177Top 9%
OC Optoelectronics Co.: 9 patents #1 of 61Top 2%
OP Opticon: 7 patents #1 of 40Top 3%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
DE Denso: 3 patents #3,857 of 11,792Top 35%
NC Nippondenso Co.: 3 patents #799 of 3,479Top 25%
KC Kirin Brewery Co.: 3 patents #4 of 77Top 6%
TS Toshiba Medical Systems: 3 patents #374 of 1,088Top 35%
SA Sanden: 3 patents #149 of 631Top 25%
TC Toyo Tanso Co.: 3 patents #27 of 192Top 15%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
JA Jasco: 1 patents #46 of 125Top 40%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
PA Poulsen Roser A/S: 1 patents #4 of 6Top 70%
SS Spectra-Physics Scanning Systems: 1 patents #39 of 56Top 70%
SU Sumco: 1 patents #248 of 464Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
SS Sumitomo Mitsubishi Silicon: 1 patents #73 of 146Top 50%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
TC Toyo Kogyo Co.: 1 patents #64 of 216Top 30%
Overall (All Time): #27,885 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 51–72 of 72 patents

Patent #TitleCo-InventorsDate
5424216 No radical measuring method and apparatus Tetsuo Nagano, Kazuya Kikuchi, Masaaki Hirobe, Yasunobu Hirata, Tsuneaki Sugimoto +1 more 1995-06-13
5383409 Corrugated board pallet 1995-01-24
5356761 Development of silver halide photosensitive material and developer Kiyoshi Morimoto, Takashi Toyoda, Mitsunori Hirano 1994-10-18
5342741 Method of processing silver halide photographic material and composition for processing Kiyoshi Morimoto, Shin-ichi Morishima 1994-08-30
5293507 Movable contact piece support structure of a seesaw switch 1994-03-08
5258593 Illuminated see-saw switch device 1993-11-02
5249331 Vacuum cleaner floor nozzle having an auxiliary agitator Tomomi Mitani, Hiroshi Nishimura, Hiroshi Mori, Tomonori Katoh, Hideo Okubo +3 more 1993-10-05
5191289 RF-coil for MRI apparatus Toru Aratani 1993-03-02
5144714 Vacuum cleaner Hiroshi Mori, Seizo Hayashi, Tomomi Mitani 1992-09-08
5110985 Process for preparing carboxyalkyl-substituted hydroxylamine Kiyoshi Morimoto 1992-05-05
5105982 Beverage mixing and dispensing unit Yutaka Takahashi, Ikuo Harashima, Shunichi Nakayama, Yasuyuki Arai, Yasushi Takayanagi +2 more 1992-04-21
5075519 Windshield wiper switch 1991-12-24
4986448 Beverage dispensing unit with a control unit for controlling dispensation of a beverage Yutaka Takahashi, Ikuo Harashima, Shunichi Nakayama, Yasuyuki Arai, Yasushi Takayanagi +2 more 1991-01-22
4970357 Switch device 1990-11-13
4960228 Portable post-mix beverage dispenser unit Yutaka Takahashi, Ikuo Harashima, Sunichi Nakayama, Yasuyuki Arai, Yasushi Takayanagi +2 more 1990-10-02
4930213 System for transferring vehicle body from a coating station to an assembly line and an overhead conveyor Hiroaki Maenishi, Kazuo Okamoto 1990-06-05
4806867 Magnetic resonance imaging system Masatoshi Hanawa 1989-02-21
4675608 Magnetic resonance imaging system Masatoshi Hanawa 1987-06-23
4665832 Vehicle transfer system Masafumi Kobayashi, Hiroyasu Nagaoka, Masamiti Kogai 1987-05-19
4527606 Pneumatic radial tires for passenger cars having low rolling resistance and excellent slipping resistance Toshio Kita, Nobumasa Ikeda, Takashi Takusagawa, Yoshiharu Goto, Minoru Togashi 1985-07-09
4381656 Automobile door assembly having a door locking device 1983-05-03
4374682 Process for producing deep-drawing cold rolled steel strips by short-time continuous annealing Mitsunobu Abe, Ikushi Yoshida, Munetsugu Matsuo 1983-02-22