Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869677 | Heat exchanger made of aluminum alloy | Toshiyuki Uehara, Etsuko Yamazaki, Kazuya Nakada | 2005-03-22 |
| 6478078 | Heat exchanger for cooling circulating water of fuel cells & process for producing same | Tsutomu Matsuzaki, Yoshihiro Sasaki | 2002-11-12 |
| 4271344 | High frequency heating oven with cooking vessel | Masao Horiuchi, Makiko Miyake | 1981-06-02 |