Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145657 | Method for purification of gas | Motonobu Kobayashi, Kiichiro Mitsui, Yoku Nanba, Kunio Sano, Takehiko Suzuki +1 more | 1992-09-08 |
| 4939260 | Process for producing aromatic nitriles or heterocyclic nitriles | Akira Inoue, Mitsuaki Ikeda, Kunio Sano, Sadao Terui | 1990-07-03 |
| 4751005 | Method for treatment of waste water | Kiichiro Mitsui, Sadao Terui, Kunio Sano, Kazuyoshi Nishikawa, Akira Inoue | 1988-06-14 |
| 4294723 | Heat resistant catalyst for the production of sulfuric acid for using a gas containing sulfur dioxide in a high concentration | Haruichi Hara, Hisanao Motomuro, Akiyoshi Adachi | 1981-10-13 |
| 4285927 | Production of sulfuric acid using a K.sub.2 SO.sub.4, V.sub.2 O.sub.5, diatomaceous earth catalyst | Haruichi Hara, Hisanao Motomuro, Akiyoshi Adachi | 1981-08-25 |