Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5928301 | Controller for vehicle | Yuji Hattori | 1999-07-27 |
| 5211083 | Hydraulic control apparatus for power transmitting system including belt-and-pulley type continuously variable transmission and torque converter equipped with lock-up clutch | Yuji Hattori, Masami Sugaya, Nobuyuki Kato | 1993-05-18 |
| 5203233 | Hydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating means for optimizing belt tensioning pressure | Yuji Hattori, Masami Sugaya, Nobuyuki Kato | 1993-04-20 |
| 5188007 | Hydraulic control apparatus for belt-and-pulley type continuously variable transmission, incorporating means for increasing belt tensioning pressure upon reversal of rotating direction of pulleys | Yuji Hattori, Masami Sugaya, Nobuyuki Kato | 1993-02-23 |
| 5119698 | Hydraulic control apparatus for continuously variable transmission, having shift control valve whose gain is changed with vehicle speed | Masami Sugaya | 1992-06-09 |
| 5094129 | Hydraulic control apparatus for vehicle continuously variable transmission, having means for limiting increase in input shaft speed after the speed rises to predetermined level with vehicle speed | Masami Sugaya | 1992-03-10 |
| 5088355 | Vehicle power transmitting system with continuously variable transmission and hydraulic control apparatus, capable of producing adequate engine braking during low-speed reverse running of vehicle | Masami Sugaya, Takahiro Okada | 1992-02-18 |
| 5063816 | Hydraulic control apparatus for vehicle continuously variable transmission, having two shift control valves selectively enabled depending upon selected position of clutch device between engine and drive wheel | Masami Sugaya | 1991-11-12 |
| 5052980 | Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission | Hiroshi Itoh, Masami Sugaya, Kunio Morisawa, Ryoji Habuchi, Katsumi Kouno +2 more | 1991-10-01 |
| 5050715 | Hydraulic control apparatus for vehicle power transmitting system having fluid coupling incorporating lock-up clutch | Hiroshi Itoh, Kunio Morisawa, Ryoji Habuchi, Masami Sugaya | 1991-09-24 |
| 5006093 | Hydraulic control apparatus for vehicle power transmitting system having continuously variable transmission | Hiroshi Itoh, Masami Sugaya, Kunio Morisawa, Ryoji Habuchi, Katsumi Kouno +1 more | 1991-04-09 |
| 4967621 | Hydraulic control device for belt-and-pulley type continuously variable transmission for a vehicle | Masami Sugaya, Katsumi Kouno, Susumu Okawa | 1990-11-06 |
| 4867732 | Control device for belt-and-pulley type continuously variable transmission for a vehicle | Katsumi Kouno, Masami Sugaya, Susumu Okawa | 1989-09-19 |
| 4857034 | Hydraulic control system for continuously variable transmission for automotive vehicle | Katsumi Kouno, Susumu Okawa, Masami Sugaya | 1989-08-15 |
| 4778435 | Hydraulic control system for continuously variable transmission for automotive vehicle | Masami Sugaya, Katsumi Kouno, Susumu Okawa | 1988-10-18 |
| 4772249 | Hydraulic control system for continuously variable transmission for automotive vehicle | Katsumi Kouno, Susumu Okawa, Masami Sugaya | 1988-09-20 |
| 4685357 | Continuously variable transmission hydraulic control system having two pressure regulating valves | Daisaku Sawada, Masami Sugaya, Ryuji Imai | 1987-08-11 |
| 4642069 | Hydraulic control system for continuously variable transmission | Daisaku Sawada, Masami Sugaya, Ryuji Imai | 1987-02-10 |