Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393726 | Method for absorbing moisture of composite material | Shunichi Bandoh, Hirohito Hira | 2002-05-28 |
| 5555729 | Stirling engine | Koji Fujiwara, Juniti Mita | 1996-09-17 |
| 5513857 | Piston sealing ring having interlocking ends | Tetsumi Watanabe, Noboru Ohtani, Hiroyuki Katsuda | 1996-05-07 |
| 5388410 | Stirling engine | Tetsumi Watanabe, Hiroyuki Ohuchi | 1995-02-14 |
| 5383334 | Compressor integral with stirling engine | Takeyoshi Kaminishizono, Tetsumi Watanabe | 1995-01-24 |
| 5199722 | Seal assembly for stirling engine | Yoshiaki Wada, Tunesaku Itaba, Koichiro Kasahara, Tetsumi Watanabe, Hiroyuki Katsuda | 1993-04-06 |
| 5088284 | Compressor integral with Stirling engine | — | 1992-02-18 |
| 5086625 | Air-cycle air conditioning system | Shigeyoshi Tabata, Katsuhiro Mori | 1992-02-11 |
| 5056419 | Sealing device for a piston rod of a stirling engine | Tetsumi Watanabe, Tomokimi Mizuno, Hiroyuki Katsuda | 1991-10-15 |
| 5005349 | Stirling engine | Tetsumi Watanabe, Akira Yamaguro | 1991-04-09 |
| 4984812 | Oil seal assembly | Yoshiaki Wada, Tunesaku Itaba, Koichiro Kasahara, Tomokimi Mizuno | 1991-01-15 |
| 4984428 | Stirling engine | Tetsumi Watanabe, Kouzi Hiraiwa, Tomokimi Mizuno | 1991-01-15 |
| 4747602 | Synthetic resin sealing ring assembly with metal film layer | Daisaku Kobayashi, Tunesaku Itara, Koichiro Kasahara, Tomokimi Mizuno | 1988-05-31 |
| 4708639 | Combustor for external combustion engine having rotary-type regenerator heat exchanger | Akira Yamaguro | 1987-11-24 |
| 4694707 | Rod seal device for stirling engines | Daisaku Kobayashi, Tunesaku Itaba | 1987-09-22 |
| 4691591 | Rod seal device for stirling engines | Daisaku Kobayashi, Tunesaku Itaba | 1987-09-08 |
| 4677824 | Output control apparatus for Stirling engines | Masahiko Hasegawa, Yoshihiro Naito, Masaru Tsunekawa | 1987-07-07 |
| 4564202 | Seal for piston rod of Stirling engine | — | 1986-01-14 |
| 4532767 | Engine compressor having a stirling cycle engine | Tetsumi Watanabe, Shigenori Haramura | 1985-08-06 |
| 4532771 | Cooler made of aluminum for stirling engines | Kazuaki Yamaguchi, Masayoshi Okamoto, Ryoichi Hoshino, Hiroki Tanaka | 1985-08-06 |
| 4483141 | Stirling cycle engine having shaft seal means | Daisaku Kobayashi, Tsunesaku Itaba | 1984-11-20 |
| 4282716 | Stirling cycle refrigerator | Kazuaki Nakamura | 1981-08-11 |
| 4240262 | Cryopump device | Kazuaki Nakamura | 1980-12-23 |