Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780386 | Carbon monoxide oxidation catalyst, and method for production of hydrogen-containing gas | Tetsuya Fukunaga, Kozo Takatsu, Masatoshi Shibata, Hiroyuki Endo | 2004-08-24 |
| 6772855 | Damper for speaker and method of producing the same | Hiroyuki Tomiyama, Masatoshi Sato | 2004-08-10 |