TF

Tadaaki Fujii

JC Jidosha Kiki Co.: 11 patents #12 of 196Top 7%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HS Hitachi Communication Systems: 2 patents #16 of 83Top 20%
HS Hitachi Video And Information Systems: 2 patents #78 of 269Top 30%
📍 Hitachinaka, JP: #312 of 2,447 inventorsTop 15%
Overall (All Time): #301,744 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7290638 Electric power steering system Kohtaro Shiino, Fumiyuki Yamaoka, Toshiro Yoda 2007-11-06
6603110 Temperature compensating circuit, temperature compensating logarithm conversion circuit and light receiver Akihiro Hayami, Tomonao Kikuchi, Tadashi Hatano, Yasuhiro Yamada, Takayuki Nakao +5 more 2003-08-05
6426495 Temperature compensating circuit, temperature compensating logarithm conversion circuit and light receiver Akihiro Hayami, Tomonao Kikuchi, Tadashi Hatano, Yasuhiro Yamada, Takayuki Nakao +5 more 2002-07-30
5829547 Power steering apparatus with pump driven by pulse width modulated controlled, brushless d.c. electric motor Toshiro Yoda, Eiichi Tomioka 1998-11-03
5711394 Power steering apparatus with motor driven pump Toshiro Yoda 1998-01-27
5538400 Variable displacement pump Hideo Konishi 1996-07-23
5518380 Variable displacement pump having a changeover value for a pressure chamber Hiroto Iwata, Yuuichi Kimura 1996-05-21
5265691 Rack-and-pinion steering apparatus Hideo Konishi 1993-11-30
5165495 Electrically driven power steering apparatus 1992-11-24
4645025 Steering apparatus for vehicle Takeshi Ohe, Ichiro Koike 1987-02-24
4488475 Power steering apparatus Naosuke Masuda, Yoshio Suzuki 1984-12-18
4458580 Power steering apparatus Naosuke Masuda, Yoshio Suzuki 1984-07-10
4428399 Power steering apparatus Naosuke Masuda, Yoshio Tobisawa 1984-01-31
4415319 Pump unit Naosuke Masuda, Takeshi Ohe 1983-11-15
4290009 Standing wave ratio detecting apparatus Konomu Sanpei 1981-09-15
4262246 Standing wave ratio detecting apparatus 1981-04-14