Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478078 | Heat exchanger for cooling circulating water of fuel cells & process for producing same | Tsutomu Matsuzaki, Chizuko Yoshida | 2002-11-12 |
| 6431265 | Flat tubes for use with heat exchanger and manufacturing method thereof | Masayoshi Shinhama, Junichi Hiyama, Hiroyuki Tamura, Shinya Kaneko, Enichi Ishiwa +1 more | 2002-08-13 |