Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454052 | Liquid absorbent for absorption type refrigerator | Mitsuyoshi Shoji, Etsuo Oe, Yoshiharu Honma, Shigeki Komatsuzaki, Ren Ito | 1984-06-12 |
| 4313840 | Heat transfer oil and method for driving a Freon turbine | Shigeki Komatsuzaki | 1982-02-02 |