Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596243 | Catalyst element for purifying exhaust gases from internal combustion engine | Jun Fujii, Masaharu Nakamori, Hiroshi Kato | 2003-07-22 |
| 5998322 | Filter medium for molten metals | Kazutomo Hoshino, Hideaki Seto, Yukio Kai, Atsushi Kikuchi, Yukihisa Shiraishi +1 more | 1999-12-07 |
| 4610867 | Material of oxygen ion conductor | Tetsuro Seiyama, Hiromichi Arai | 1986-09-09 |