Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450253 | Tank of heat exchanger | Hiroyasu Koizumi, Yoshihiro Kawai | 2002-09-17 |
| 6364005 | Integral-type heat exchanger | Kenji Makino, Hiroyasu Koizumi, Minoru Tsuchiya, Kunio Matsugi, Satoshi Ishihara +7 more | 2002-04-02 |