Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790985 | Phosphonium salts and processes for production of and uses for the same, and phosphines deriving the same and processes for production of the phosphines | Kazuyuki Yada, Kenji Shimoyamada, Masahiro Muranaka, Junichi Fuji | 2004-09-14 |
| D491563 | Connector | Toshiaki Sato | 2004-06-15 |
| 6696609 | Process for producing diamines | Yoshihiro Tokuda | 2004-02-24 |