Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393924 | Heat exchange apparatus with use of hydrogen storing material | Hidekazu Sonoi | 1983-07-19 |
| 4372765 | Air liquefaction and separation process and equipment | Shoichi Tamura, Hidekazu Sonoi | 1983-02-08 |
| 4367791 | Heat transfer tubing for natural gas evaporator | — | 1983-01-11 |
| 4296539 | Heat transfer tubing for natural gas evaporator | — | 1981-10-27 |
| 4214925 | Method for fabricating brazed aluminum fin heat exchangers | Koji Arita, Masahiro Chiji, Yasuhumi Karaki, Toshihiko Endo | 1980-07-29 |