Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407559 | Plasticizer for vinyl chloride resin containing non-phthalate ester and vinyl chloride resin composition containing such plasticizer | Ken Miyazaki, Takahiro Inoue, Taiki Tsuji, Yuka Sato, Masafumi Kishimoto | 2019-09-10 |
| 9282065 | Relay unit | — | 2016-03-08 |
| 5091564 | Process for preparing diphenyl sulfonetetracarboxylic acid | Hiroshi Manami, Mikio Nakazawa, Akihiro Nishiuchi | 1992-02-25 |
| 4914231 | Method for purifying a crude diphenylsulfone tetracarboxylic acid | Hiroshi Manami, Mikio Nakazawa | 1990-04-03 |
| 4778932 | Process for preparing diarylsulfones | Hiroshi Manami, Mikio Nakazawa | 1988-10-18 |