Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222881 | Scroll type compressor having curved surface portions between the shaft and bearing means | Masahiko Oide, Toshiyuki Nakamura, Hiroshi Ogawa, Norihide Kobayashi, Yoshinori Shirafuji +2 more | 1993-06-29 |
| 5188520 | Scroll type compressor with frames supporting the crankshaft | Toshiyuki Nakamura, Takashi Yamamoto, Hiroshi Ogawa, Norihide Kobayashi, Masahiko Oide +2 more | 1993-02-23 |
| 5071329 | Scroll type fluid transferring machine with thermoplastic Oldham ring | Norihide Kobayashi, Hiroshi Ogawa, Noboru Masuda | 1991-12-10 |
| 4711617 | Rotary compressor | Kazutomo Asami, Fumio Wada, Koji Ishijima | 1987-12-08 |
| 4645429 | Rotary compressor | Kazutomo Asami, Koji Ishijima, Fumio Wada, Takuho Hirahara | 1987-02-24 |
| 4628963 | Refrigerant compressor discharge valve | Koji Ishijima, Fumio Wada, Kazutomo Asami | 1986-12-16 |
| 4624630 | Differential pressure lubrication system for rolling piston compressor | Takuho Hirahara, Koji Ishijima, Fumio Wada, Kazutomo Asami, Masahiro Sugihara | 1986-11-25 |
| 4611473 | Refrigeration system with integral check valve | Fumio Wada, Koji Ishijima, Kazutomo Asami | 1986-09-16 |
| 4592705 | Lubrication for rotary compressor vane | Sei Ueda, Takuho Hirahara, Koji Ishijima, Kazutomo Asami, Fumio Wada | 1986-06-03 |
| 4580604 | Discharging valve device for a compressor | Susumu Kawaguchi, Koji Ishijima, Osamu Iwabuchi, Takuho Hirahara, Kazuhiro Nakane | 1986-04-08 |
| 4560329 | Strainer device for rotary compressor | Takuho Hirahara, Koji Ishijima, Susumu Kawaguchi, Kazuhiro Nakane | 1985-12-24 |
| 4247088 | Mud gun | Masayuki Ueno, Makoto Sagae, Tateo Kayama | 1981-01-27 |
| 4218918 | Device for sampling gases in blast furnace | Masayuki Ueno, Makoto Sagae | 1980-08-26 |