Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114383 | Apparatus for controlling continuous variable transmission | Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1992-05-19 |
| 5074166 | Continuous speed variable transmission control method | Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-12-24 |
| 5069083 | Continuous speed variable transmission control apparatus | Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-12-03 |
| 5069086 | Belt ratio controller for a continuously vaiable transmission | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-12-03 |
| 5060768 | Creep control for a continuously variable transmission | Yoshinori Yamashita, Katsuaki Murano, Takumi Tatsumi, Hiroaki Yamamoto | 1991-10-29 |
| 5060770 | Method of controlling rotational speed of continuous variable transmission | Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-10-29 |
| 5050455 | Method of controlling continuous variable transmission | Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-09-24 |
| 5042323 | Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-08-27 |
| 5024310 | Clutch pressure control device for continuously variable transmission | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-06-18 |
| 5022287 | Method of controlling clutch of continuously variable transmission system | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1991-06-11 |
| 5012697 | Revolution controller for a continuously variable transmission | Yoshinori Yamashita, Katsuaki Murano, Takumi Tatsumi, Hiroaki Yamamoto | 1991-05-07 |
| 4964317 | Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1990-10-23 |
| 4962678 | Hydraulic control method for continuously variable speed change gear mechanism for a vehicle and a drive control method for a pressure valve thereof | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1990-10-16 |
| 4958538 | Method and apparatus for controlling line pressure of continuously variable transmission system | Yoshinori Yamashita, Katsuaki Murano, Takumi Tatsumi, Hiroaki Yamamoto | 1990-09-25 |
| 4926716 | Method of controlling continuously variable transmission system | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1990-05-22 |
| 4856380 | Method of controlling clutch pressure of continuously variable transmission system | Katsuaki Murano, Yoshinori Yamashita, Takumi Tatsumi, Hiroaki Yamamoto | 1989-08-15 |