Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616918 | Plasma ion mass spectrometer and plasma mass spectrometry using the same | Konosuke Oishi, Toyoharu Okumoto, Masamichi Tsukada | 1997-04-01 |
| 5325670 | Clutch control device for transmission | — | 1994-07-05 |
| 5308977 | Plasma mass spectrometer | Konosuke Oishi, Masataka Koga, Hiromi Yamashita, Toyoharu Okumoto, Tsuyoshi Nishitarumizu | 1994-05-03 |
| 5130537 | Plasma analyzer for trace element analysis | Yukio Okamoto, Satoshi Shimura, Masamichi Tsukada, Hiromi Yamashita, Masatoshi Kitagawa | 1992-07-14 |
| 5016492 | Continuously variable automatic transmission | — | 1991-05-21 |
| 4972675 | Hydraulically operated continuously variable transmission | Eiichiro Kawahara, Yoshihiro Katagiri, Yasuhiro Sawa | 1990-11-27 |
| 4949596 | Method of controlling continuously variable automotive transmission | Kazuya Maki | 1990-08-21 |
| 4944201 | Apparatus for controlling continuously variable automotive transmission | Yoshihiro Katagiri | 1990-07-31 |
| 4916900 | Hydraulically operated continuously variable transmission | Tsuneaki Seino, Eiichiro Kawahara | 1990-04-17 |
| 4901529 | Hydraulically operated continuously variable transmission | Koji Yamaguchi, Eiichiro Kawahara, Kazuya Maki | 1990-02-20 |
| 4899542 | Control device for a continuously variable transmission for motor vehicles | — | 1990-02-13 |
| 4887428 | Hydraulic control device for a continuously variable transmission for motor vehicles | — | 1989-12-19 |
| 4809587 | Actuator with built-in pilot valve | Eiichiro Kawahara, Kenichi Ikejiri, Kenjiro Iwasawa, Noboru Yamamoto | 1989-03-07 |
| 4776165 | Clutch control system for hydraulically operated automotive transmission | — | 1988-10-11 |
| 4595046 | Control apparatus for heat exchanger | — | 1986-06-17 |