Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245307 | Catalyst for purifying exhaust gas from lean burn engine and method for purification | Satoshi Inui, Masao Hori | 2001-06-12 |
| 5756057 | Method for removal of nitrogen oxides from exhaust gas | Masao Hori, Satoshi Inui | 1998-05-26 |
| 5286699 | Exhaust gas purifying catalyst suppressing the generation of hydrogen sulfide and method of making the catalyst | Tomohisa Ohata, Eiichi Shiraiashi | 1994-02-15 |
| 5260249 | Catalyst for purifying automotive exhaust gas | Eiichi Shiraishi, Hideyuki Baba, Tomohisa Ohata | 1993-11-09 |
| 5015617 | Catalyst for purifying exhaust gas and method for production thereof | Tomohisa Ohata, Shinya Kitaguchi | 1991-05-14 |
| 4904633 | Catalyst for purifying exhaust gas and method for production thereof | Tomohisa Ohata, Eiichi Shiraishi, Shinya Kitaguchi | 1990-02-27 |
| 4731261 | Method for coating a metal covered with metal oxide film with refractory metal oxide | Shoichi Ichihara, Tetsuji Ono | 1988-03-15 |
| 4448895 | Process for preparation of catalyst for cleaning exhaust gases and catalyst prepared by the process | Tetsuji Ono, Shin Yamauchi, Kiyoshi Yonehara | 1984-05-15 |