Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987921 | Method of fabricating frozen fine liver piece for artificial liver, apparatus for freezing the same and freezing vessel | Yoichi Kasai, deceased, Akio Kawamura, Yoshimi Nakanishi, Akira Kakita, Toshihiko Tsuburaya +1 more | 1991-01-29 |
| 4984430 | Method of fabricating frozen fine liver pieces for artificial liver, apparatus for freezing the same, and freezing vessel | Nobuo Sakao | 1991-01-15 |
| 4883452 | Method of fabricating frozen fine liver pieces for artificial liver, apparatus for freezing the same, and freezing vessel | Yoichi Kasai, deceased, Akio Kawamura, Yoshimi Nakanishi, Akira Kakita, Toshihiko Tsuburaya +1 more | 1989-11-28 |
| 4539824 | Apparatus for continuously freezing liver piece | Nobuo Sakao | 1985-09-10 |
| 4531958 | Helium gas liquefying apparatus | — | 1985-07-30 |
| 4494385 | Method of preserving organ and apparatus for preserving the same | Nobuo Sakao | 1985-01-22 |
| 4487033 | Method of freezing fertilized ova, spermatozoa or the like and apparatus therefor | Nobuo Sakao | 1984-12-11 |
| 4480682 | Apparatus for freezing fertilized ova, spermatozoa or the like | Hiroshi Kaneta, Nobuo Sakao | 1984-11-06 |
| 4462215 | Method of preserving organ and apparatus for preserving the same | Nobuo Sakao | 1984-07-31 |
| 4429542 | Method of freezing fertilized ova, spermatozoa or the like and apparatus therefor | Nobuo Sakao | 1984-02-07 |
| 4428684 | Apparatus for measuring melting point and boiling point of gas | — | 1984-01-31 |
| 4421537 | Helium gas liquefying apparatus | — | 1983-12-20 |
| 4405243 | Cryogenic impact testing method and machine | Norihide Hosoda | 1983-09-20 |
| 4333753 | Method of liquefying Freon gas | — | 1982-06-08 |
| 4295339 | Cryostat system utilizing a liquefied gas | Yasuhiro Tsuchida | 1981-10-20 |