Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550528 | Hot-top type continuous casting machine for hollow billet | Takahiko ICHIKI, Nobuharu Shigemitsu, Masahiro Ito | 2003-04-22 |
| 6399035 | Reduction purification method of nitrogen oxide-containing exhaust gas | Mitsunori Tabata, Tomohiro Yoshinari, Kazuhito Sato, Sadao Takehara | 2002-06-04 |
| 6030590 | Reduction purification method of nitrogen oxide-containing exhaust gas | Mitsunori Tabata, Tomohiro Yoshinari, Kazuhito Sato, Sadao Takehara | 2000-02-29 |
| 5853679 | Removal of nitrogen oxide from exhaust gas | Mitsunori Tabata, Masaaki Kawatsuki, Hiroshi Tsuchida, Tomohiro Yoshinari, Kazushi Usui +8 more | 1998-12-29 |
| 5733837 | Catalyst for catalytic reduction of nitrogen oxides | Tadao Nakatsuji, Hiromitsu Shimizu, Ritsu Yasukawa, Hiroshi Tsuchida | 1998-03-31 |
| 5380692 | Catalyst for catalytic reduction of nitrogen oxide | Tadao Nakatsuji, Hiromitsu Shimizu, Ritsu Yasukawa, Fujio Suganuma, Akihiro Kitazume +7 more | 1995-01-10 |