Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6475935 | Regenerator and regenerative material used therein | Yuzo Hayashi | 2002-11-05 |
| 6344789 | Voltage non-linear resistor unit and arrester unit | Takeshi Udagawa, Masahiro Kan, Nobuyuki Shimizu, Hironori Suzuki, Hiroyoshi Narita +8 more | 2002-02-05 |
| 5720172 | Regenerative type engine with fluid control mechanism | — | 1998-02-24 |
| 5435136 | Pulse tube heat engine | Takayuki Matsui | 1995-07-25 |
| 5335002 | Printing head and printer incorporating the same | Takaya Nagahata, Toshiyuki Shirasaki, Hiroshi Fukumoto, Tokihiko Kishimoto, Masayoshi Yamaguchi +3 more | 1994-08-02 |
| 5269147 | Pulse tube refrigerating system | Takayuki Matsui | 1993-12-14 |
| 4375749 | Multiple cylinder refrigeration apparatus | — | 1983-03-08 |
| 4311810 | Block copolymers of propylene and 4-methyl-1-pentene | Masaki Fujii, Mitsutaka Miyabayashi, Hironori Todaka | 1982-01-19 |
| 4227376 | Cooling system | — | 1980-10-14 |