Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11319605 | Heat treatment apparatus and heat treatment method | Wataru Yoshida, Towako Matsui, Katsuhiko Kizawa, Takashi Sada | 2022-05-03 |
| 10578162 | Bearing ring for roller bearing, method for manufacturing the same, and roller bearing | Kensuke Suzuki, Wataru Yoshida, Nicolas Vincent Barbi | 2020-03-03 |
| 10538821 | Heat treatment apparatus and heat treatment method | Wataru Yoshida, Towako Matsui, Katsuhiko Kizawa, Takashi Sada | 2020-01-21 |
| 10393180 | Bearing ring for roller bearing, manufacturing method of bearing ring for roller bearing, and needle roller bearing | Kensuke Suzuki, Wataru Yoshida, Nicolas Vincent Barbi | 2019-08-27 |
| 10190185 | Hardening method of annular workpiece | Towako Matsui, Katsuhiko Kizawa | 2019-01-29 |
| 8596875 | Bearing constituent member and process for producing the same, and rolling bearing having bearing constituent member | Katsuhiko Kizawa, Kentarou Ono, Chikara Nakajima | 2013-12-03 |
| 8517890 | Drive control device for hybrid vehicle | Koji Hayashi, Masatoshi Ito, Takeshi Kanayama | 2013-08-27 |
| 7846060 | Vehicular control device and method | Takeshi Kanayama, Masatoshi Ito, Koji Hayashi, Koki Ueno | 2010-12-07 |
| 7828692 | Control device of vehicle, vehicle, and method of controlling vehicle | Koji Hayashi, Masatoshi Ito, Koki Ueno, Takeshi Kanayama | 2010-11-09 |
| 7775336 | Friction engagement device | Masaaki Nishida, Satoru Kasuya, Masashi Kito, Yoshihisa Yamamoto, Akitomo Suzuki +4 more | 2010-08-17 |
| 6549840 | Vehicle control apparatus for front and rear drive ratio on the basis of operator's desired vehicle drive force and static and dynamic vehicle states | Koichi Kondo, Takuji Kawabata | 2003-04-15 |
| 6205379 | Controller for hybrid vehicle wherein one and the other of front and rear wheels are respectively driven by engine and electric motor | Kunio Morisawa, Eiji Ichioka | 2001-03-20 |
| 6158541 | Electric motor vehicle having means for fully discharging part of energy storage device when energy amount in the other part is larger than a threshold | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki | 2000-12-12 |
| 6081042 | Hybrid vehicle drive system including controllable device between engine and electric motor and vehicle drive wheels, and apparatus for controlling the device depending upon selected operation mode of the system | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 2000-06-27 |
| 5982045 | Hybrid vehicle drive system adapted to prevent concurrent mode change and transmission shifting or torque distribution ratio change | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1999-11-09 |
| 5951614 | Vehicle hybrid drive system control apparatus adapted to reduce transmission input torque upon transmission shifting, by using engine and/or motor/generator | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1999-09-14 |
| 5935040 | Hybrid vehicle drive system adapted to produce substantially constant vehicle drive force under the same vehicle running condition, even in different modes of operation | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1999-08-10 |
| 5923093 | Hybrid vehicle drive system adapted to assure smooth brake application by motor/generator or engine | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1999-07-13 |
| 5887670 | Vehicle power transmitting system having devices for electrically and mechanically disconnecting power source and vehicle drive wheel upon selection of neutral state | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1999-03-30 |
| 5873426 | Hybrid vehicle drive system having means for using at least engine as drive power source in special vehicle operating state, to assure sufficient drive force | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1999-02-23 |
| 5856709 | Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator | Ryuji Ibaraki, Seitoku Kubo, Yutaka Taga, Hiroshi Hata, Hideaki Matsui | 1999-01-05 |
| 5839533 | Apparatus for controlling electric generator of hybrid drive vehicle to control regenerative brake depending upon selected degree of drive source brake application | Yutaka Taga | 1998-11-24 |
| 5841201 | Hybrid vehicle drive system having a drive mode using both engine and electric motor | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1998-11-24 |
| 5833570 | Vehicle transmission shift control apparatus wherein torque of motor connected to automatic transmission is controlled to reduce shifting shock of transmission | Atsushi Tabata, Yutaka Taga, Ryuji Ibaraki, Hiroshi Hata | 1998-11-10 |
| 5818116 | Starting control apparatus for internal combustion engine and method of the same | Koichi Nakae, Kiyoo Hirose, Ryuji Ibaraki, Hiroshi Hata | 1998-10-06 |