Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187968 | Process for the preparation of cyclohexanedimethanol | Hiroshi Itoh, Yasuhisa Yoshida, Taiichiro Iwamura | 2001-02-13 |
| 5504128 | Thermoplastic resin composition and a method of molding the same | Toshihiro Mizutani, Kango Fujitani | 1996-04-02 |
| 5091564 | Process for preparing diphenyl sulfonetetracarboxylic acid | Hiroshi Manami, Shigeo Miki, Akihiro Nishiuchi | 1992-02-25 |
| 4914231 | Method for purifying a crude diphenylsulfone tetracarboxylic acid | Hiroshi Manami, Shigeo Miki | 1990-04-03 |
| 4833272 | Process for preparing polycarboxylic acid | Kango Fujitani | 1989-05-23 |
| 4778932 | Process for preparing diarylsulfones | Hiroshi Manami, Shigeo Miki | 1988-10-18 |
| 4606863 | Process for preparing carboxylic acid | Kango Fujitani, Hiroshi Manami | 1986-08-19 |