Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685390 | Electrically-operated power steering apparatus | Isamu Chikuma, Kenji Someya | 1997-11-11 |
| 5508921 | Four wheel steering apparatus | Isamu Chikuma, Hiroyuki Kanou, Nobuyasu Ando, Kaoru Kiyono | 1996-04-16 |
| 5482127 | Electric power steering device | Hironobu Shiono, Isamu Chikuma | 1996-01-09 |
| 5445237 | Electric power steering apparatus | Kenji Someya, Isamu Chikuma | 1995-08-29 |
| 5248009 | Vehicle rear wheels steering apparatus | Shin Takehara, Hiroshi Ohmura, Ryuya Akita, Isamu Chikuma, Hiroyuki Ito | 1993-09-28 |
| 5236057 | Rear wheel steering apparatus for vehicle | Shin Takehara, Hiroshi Ohmura, Ryuya Akita, Isamu Chikuma, Hiroyuki Ito | 1993-08-17 |
| 5147009 | Steering force control apparatus of power steering system | Isamu Chikuma | 1992-09-15 |
| 5137423 | Hydraulic turbine | Takeichi Eda | 1992-08-11 |
| 5048852 | Four-wheel steering apparatus | Isamu Chikuma, Satoru Shimada | 1991-09-17 |
| 4874183 | Four-wheel steering apparatus of a vehicle | Isamu Chikuma, Satoru Shimada | 1989-10-17 |
| 4732231 | Vehicle four wheel steering system | Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Isamu Chikuma, Satoru Shimada | 1988-03-22 |
| 4730687 | Steering force control device for power steering system | Isamu Chikuma | 1988-03-15 |
| 4646867 | Four-wheel steering system for vehicle | Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Isamu Chikuma, Satoru Shimada | 1987-03-03 |
| 4621702 | Four-wheel steering apparatus of a vehicle | Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Isamu Chikuma, Satoru Shimada | 1986-11-11 |
| 4610328 | Four-wheel steering system for vehicle | Hirotaka Kanazawa, Teruhiko Takatani, Shigeki Furutani, Isamu Chikuma, Satoru Shimada | 1986-09-09 |
| 4572316 | Four-wheel steering system for vehicle | Hirotaka Kanazawa, Takatani Teruhiko, Furutani Shigeki, Isamu Chikuma, Satoru Shimada | 1986-02-25 |