Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537404 | Continuous manufacturing method and manufacturing apparatus of thermoplastic polyester resin foam | Susumu Ishiwatari, Masahiro Tsubone, Takaaki Hirai, Kiyoshi Yoshioka, Nobuyuki Tsujiwaki | 2003-03-25 |
| 6538890 | Heat sink element and high-frequency electronic circuit substrate using such | Choichirou Kodaka, Tadashi Ito | 2003-03-25 |