Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951433 | Automatic transmission | Kazumasa Tsukamoto, Masahiro Hayabuchi, Mitsutaka ITO, Takuya Ogino, Akitoshi Kato +1 more | 1999-09-14 |
| 5865709 | Apparatus for controlling vehicle lock-up clutch, wherein engine output is reduced upon releasing action of lock-up clutch | Tadashi Tamura, Kenichi Yoshizawa, Masahiro Kojima, Naoki Kato | 1999-02-02 |
| 5235877 | Shift control apparatus for automatic transmission | Yasunari Nakamura, Kagenori Fukumura, Kohjiroh Kuramochi, Seitoku Kubo, Takashi Ohta +2 more | 1993-08-17 |
| 5172799 | Centrifugal hydraulic cancel mechanism for the rotating clutch | Yoshihiro Iijima, Kojiro Kuramochi, Mikio Mori, Norihiro Kitamura, Yuji Yasuda | 1992-12-22 |
| 5033331 | Hydraulic control device for automatic transmission for vehicle having clutch operable in two speed stages and two parallel hydraulic pressure supply passages therefor | Mitsuru Takada, Hiroshi Itoh, Makoto Funahashi | 1991-07-23 |
| 5014577 | Hydraulic control device for automatic transmission for vehicle having two parallel input clutches | Mitsuru Takada, Hiroshi Itoh, Makoto Funahashi | 1991-05-14 |
| 5012700 | Hydraulic control device for automatic transmission for vehicle having clutch disengage control means independent of clutch engage control means | Mitsuru Takada, Hiroshi Itoh, Makoto Funahashi | 1991-05-07 |
| 5010787 | Hydraulic control device for automatic transmission for vehicle adapted to engage clutch at different speed according to engine output power | Mitsuru Takada, Hiroshi Itoh, Makoto Funahashi | 1991-04-30 |
| 4995284 | Accumulator control device for hydraulic control device for automatic transmission for vehicle with engine load dependent backup control | Mitsuru Takada, Hiroshi Itoh, Makoto Funahashi | 1991-02-26 |
| 4994006 | Automatic transmission for vehicle having stick-free radially duplicate clutches | Masafumi Kinoshita, Hiroshi Itoh | 1991-02-19 |
| 4987798 | Hydraulic control device for automatic transmission for vehicle with high accuracy reverse inhibition system | Makoto Funahashi, Hiroshi Itoh, Mitsuru Takada | 1991-01-29 |
| 4984486 | Hydraulic pressure control device for automatic transmission for vehicle including reverse stage prevention system | Mitsuru Takada, Hiroshi Itoh | 1991-01-15 |
| 4982624 | Hydraulic control device for automatic transmission for vehicle having friction engaging means operative in two jumping apart speed stages | Mitsuru Takada, Hiroshi Itoh, Makoto Funahashi | 1991-01-08 |
| 4963124 | Planetary gear transmission for motor vehicle | Seitoku Kubo, Hiroshi Itoh, Masayuki Fukai | 1990-10-16 |
| 4944719 | Planetary gear type speed change device having one-way clutch operable in two functions | Hiroshi Ito, Seitoku Kubo | 1990-07-31 |
| 4938096 | Automatic transmission for vehicle having forward clutch and counter drive gear positioned between torque converter and gear mechanism | Seitoku Kubo, Masahumi Kinoshita, Hiroshi Itoh | 1990-07-03 |
| 4928557 | Hydraulic transmission controller with coupling pressure compensation | Mitsuru Takada, Hiroshi Itoh | 1990-05-29 |
| 4920829 | Hydraulic pressure control device for automatic transmission for vehicle including reverse stage and lock-up clutch control systems | Mitsuru Takada, Hiroshi Itoh | 1990-05-01 |
| 4867262 | Four wheel drive system for vehicle | Mitsuru Takada, Hiroshi Itoh | 1989-09-19 |
| 4866935 | Hydraulic torque converter | Masahiro Hayabuchi, Kazumasa Tsukamoto, Seitoku Kubo, Koujiro Kuramochi | 1989-09-19 |
| 4840247 | Device for controlling 4wd vehicle central differential restriction device according to front and rear wheels rotational speed difference, and method of operation thereof | Yuji Kashihara, Yutaka Tage, Yasunari Nakamura, Hiroshi Ito | 1989-06-20 |
| 4840263 | Hydraulic control device for 4WD torque distribution clutch providing stabilized pressure characteristics | Nobuyuki Kato, Hiroshi Itoh | 1989-06-20 |
| 4825368 | Device for controlling vehicle four wheel drive front/rear coupling device by learning effective front/rear vehicle wheels radius discrepancy, and method of operation thereof | Hiroshi Itoh | 1989-04-25 |
| 4783960 | Fluid torque converter with axially cut away stator inner shell | Seitoku Kubo, Koujiro Kuramochi | 1988-11-15 |
| 4690239 | Control system for intermediate differential in four-wheel drive vehicle | Koujiro Kuramochi, Syoichi Sayou | 1987-09-01 |