Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6583404 | Photoelectric smoke detecting apparatus | — | 2003-06-24 |
| 6524397 | Method for removing an acidic deposit | Masaharu Emoto, Hachiro Hirano, Makoto Yoshida, Hiroaki Noda, Michihiro Kawano | 2003-02-25 |