Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6559342 | Method of producing alkanolamines and apparatus for producing same | Hideaki Tsuneki, Masaru Kirishiki, Yoshitaka Arita, Yukihide Hashimoto, Tomoharu Oku +2 more | 2003-05-06 |
| 5430170 | Process for preparing dialkyl carbonates | Masaru Kirishiki, Yoshiyuki Onda, Hideaki Tsuneki | 1995-07-04 |
| 5220055 | Process for producing aminocarboxylic acid salts | Yukio Kadono, Takakiyo Goto | 1993-06-15 |
| 5220054 | Process for producing aminocarboxylic acid salt | Yukio Kadono, Takakiyo Goto | 1993-06-15 |
| 5026880 | Method for production of 1,3-dioxolanes | Yukio Kadono | 1991-06-25 |
| 4966712 | Flotation collector and method for treatment of inorganic substance-containing water system by use thereof | Hideyuki Nishibayashi, Nobuhiro Matsuura, Yoshiyuki Hozumi, Fumio Watanabe | 1990-10-30 |
| 4946620 | Acid gas absorbent composition | Yukio Kadono, Fumio Watanabe | 1990-08-07 |