Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7146871 | Vehicle running range switching device | Kazuhisa Ozaki, Takeshi Inuzuka, Kazuhisa Murase, Michimasa Tanaka | 2006-12-12 |
| 5230411 | Nested piston hydraulic operator for automatic transmission | Masaaki Nishida, Yoichi Hayakawa | 1993-07-27 |
| 5224908 | Automatic transmission | Masaaki Nishida, Yoichi Hayakawa | 1993-07-06 |
| 5203862 | Automatic transmission with hydraulic operator having nested drums | Masaaki Nishida, Yoichi Hayakawa | 1993-04-20 |
| 5195400 | Oil channel structure in automatic transmission | Youichi Hayakawa, Masaaki Nishida, Makoto Shimanaga | 1993-03-23 |
| 5157984 | Sealing device of an automatic transmission | Yoichi Hayakawa | 1992-10-27 |
| 5099954 | Oil strainer device of an automatic transmission | Katsuya Kikuchi, Yoichi Hayakawa | 1992-03-31 |
| 5019025 | Carrier device in an automatic transmission | Youichi Hayakawa, Masaaki Nishida | 1991-05-28 |
| 5013287 | Automatic transmission with stator shaft mounting structure | Youichi Hayakawa, Yasuhito Ogasawara | 1991-05-07 |
| 4966264 | Thrust washer mounting apparatus | Youichi Hayakawa, Masaaki Nishida, Kozo Kato | 1990-10-30 |
| 4903548 | Snap ring support device for an automatic transmission | Youichi Hayakawa, Masaaki Nishida | 1990-02-27 |
| 4736653 | Power transmission | Yoichi Hayakawa, Kozo Kato, Kazuaki Watanabe, Yoshiharu Harada | 1988-04-12 |
| 4673072 | 4-Wheel drive transmission control system | Yoichi Hayakawa, Seitoku Kubo, Yutaka Taga, Shinya Nakamura | 1987-06-16 |
| 4625587 | Speed change device for use in driving auxiliary machinery | — | 1986-12-02 |