IC

Isamu Chikuma

Nsk: 13 patents #98 of 1,559Top 7%
NC Nippon Seiko Co.: 10 patents #4 of 315Top 2%
Mazda Motor: 8 patents #447 of 4,755Top 10%
MM Mazada Motor: 1 patents #1 of 35Top 3%
NK Nippon Seiko K.K.: 1 patents #5 of 23Top 25%
Overall (All Time): #156,414 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 25 most recent of 26 patents

Patent #TitleCo-InventorsDate
6711965 Electric steering column apparatus Masaki Tomaru, Sakae Matsumoto, Kazuya Fukuda, Takahiro Saito 2004-03-30
6237954 Apparatus for supporting a steering column Kenji Sato, Sakae Matsumoto, Kiyoharu Higashino 2001-05-29
6237955 Shock absorbing type steering column apparatus Kenji Sato, Sakae Matsumoto 2001-05-29
5732790 Electric power steering apparatus Shuji Endo, Hiroyuki Kano, Hideaki Kawada, Yasuhiko Miyaura, Hiroshi Eda +3 more 1998-03-31
5685390 Electrically-operated power steering apparatus Kenji Someya, Hiroshi Eda 1997-11-11
5508921 Four wheel steering apparatus Hiroshi Eda, Hiroyuki Kanou, Nobuyasu Ando, Kaoru Kiyono 1996-04-16
5482127 Electric power steering device Hiroshi Eda, Hironobu Shiono 1996-01-09
5454438 Electric power steering system 1995-10-03
5445238 Electric power steering apparatus Toshiyuki Iwano 1995-08-29
5445237 Electric power steering apparatus Hiroshi Eda, Kenji Someya 1995-08-29
5295550 Four-wheel steering apparatus 1994-03-22
5248009 Vehicle rear wheels steering apparatus Shin Takehara, Hiroshi Ohmura, Ryuya Akita, Hiroyuki Ito, Hiroshi Eda 1993-09-28
5236057 Rear wheel steering apparatus for vehicle Shin Takehara, Hiroshi Ohmura, Ryuya Akita, Hiroyuki Ito, Hiroshi Eda 1993-08-17
5147009 Steering force control apparatus of power steering system Hiroshi Eda 1992-09-15
5048852 Four-wheel steering apparatus Satoru Shimada, Hiroshi Eda 1991-09-17
4982804 Vehicle steering system Hirotaka Kanazawa, Yoichi Takeda, Yukio Noguchi, Satoru Shimada, Kazuo Chikaraishi 1991-01-08
4874183 Four-wheel steering apparatus of a vehicle Satoru Shimada, Hiroshi Eda 1989-10-17
4834201 Electrical power steering apparatus Hiroya Miyazaki, Yasuhiko Miyaura 1989-05-30
4732231 Vehicle four wheel steering system Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Satoru Shimada, Hiroshi Eda 1988-03-22
4730687 Steering force control device for power steering system Hiroshi Eda 1988-03-15
4724717 Rack shaft supporting device 1988-02-16
4646867 Four-wheel steering system for vehicle Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Satoru Shimada, Hiroshi Eda 1987-03-03
4621702 Four-wheel steering apparatus of a vehicle Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Satoru Shimada, Hiroshi Eda 1986-11-11
4610328 Four-wheel steering system for vehicle Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Satoru Shimada, Hiroshi Eda 1986-09-09
4601357 Four-wheel steering system for vehicle Akihiko Miyoshi, Shigeki Furutani, Satoru Shimada 1986-07-22