Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573406 | High-purity alkanolamines and their production process | Kenji Muraoka, Toshiaki Saito | 2003-06-03 |
| 6417408 | Production process for (poly)alkylene glycol monoalkyl ether | Yoshiyuki Onda, Masaru Kirishiki, Hideaki Tsuneki | 2002-07-09 |
| 6346509 | Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition | Kunihiko Kimata, Kenji Rakutani, Yoshiyuki Onda | 2002-02-12 |
| 6278007 | (Poly)alkylene glycol higher alkyl ether derivative composition and detergent, lubricant, and dermatologic medicine for external use containing the composition | Toru Inaoka, Kenji Rakutani, Yoshiyuki Onda | 2001-08-21 |
| 6255275 | Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition | Kunihiko Kimata, Kenji Rakutani, Yoshiyuki Onda | 2001-07-03 |
| 6017875 | Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition | Kunihiko Kimata, Kenji Rakutani, Yoshiyuki Onda | 2000-01-25 |
| 5994595 | Production process for (poly)alkylene glycol monoalkyl ether | Yoshiyuki Onda, Masaru Kirishiki, Hideaki Tsuneki | 1999-11-30 |
| 5741948 | Process for production of (poly) alkylene glycol monoalkyl ether | Masaru Kirishiki, Isamu Maeda, Yasuhiko Satoh, Fumiaki Morishita, Yoshiyuki Onda +1 more | 1998-04-21 |
| 5739390 | Process to prepare amino carboxylic acid salts | Thaddeus S. Franczyk, II, Norikazu Miyagawa, Seiji Takasaki, Hiroki Wakayama | 1998-04-14 |
| 5220054 | Process for producing aminocarboxylic acid salt | Yoshiaki Urano, Takakiyo Goto | 1993-06-15 |
| 5220055 | Process for producing aminocarboxylic acid salts | Yoshiaki Urano, Takakiyo Goto | 1993-06-15 |
| 5026880 | Method for production of 1,3-dioxolanes | Yoshiaki Urano | 1991-06-25 |
| 4946620 | Acid gas absorbent composition | Yoshiaki Urano, Fumio Watanabe | 1990-08-07 |
| 4741745 | Process for separation of carbon dioxide from other gases | Minoru Miyagawa, Takahiko Nakai, Minoru Saotome | 1988-05-03 |