Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10414687 | Infrared-transmitting glass suitable for mold forming | Kohei Kadono, Arifumi Okada, Tomoyo Ashida | 2019-09-17 |
| 7211704 | Method for producing p-dichlorobenzene | Tsugio Nonaka, Tadashi Miyakawa, Takanobu Hanabusa, Kazuhiko Sunagawa, Shigeru Mizusawa | 2007-05-01 |
| 5811555 | Method for substitution of an amino group of a primary amine by a chlorine atom and a synthetic method by application thereof | Tadashi Miyakawa, Takayuki Tanonaka | 1998-09-22 |
| 5495050 | Depolymerization of chloroaldehyde cyclic trimers | Tadashi Miyakawa, Fukuichi Suzuki | 1996-02-27 |
| 5426240 | Process for the co-production of dichloroacetaldehyde hydrate and chloral | Tadashi Miyakawa, Fukuichi Suzuki | 1995-06-20 |
| 5416226 | Process for the manufacture of trimers of aliphatic aldehyde with chlorinated 2-position | Tadashi Miyakawa, Naka Tonouchi, Fukuichi Suzuki, Takashi Yamauchi | 1995-05-16 |
| 5414139 | Process for the manufacture of monochloroacetaldehyde trimer and chloral | Tadashi Miyakawa, Fukuichi Suzuki | 1995-05-09 |
| 5274131 | 2-chloropropionaldehyde trimer and production process thereof | Tadashi Miyakawa, Naka Tonouchi, Takashi Yamauchi, Makoto Ishizuka | 1993-12-28 |
| 5166368 | Process of producing dichloroacetaldehyde trimer | Makoto Ishizuka | 1992-11-24 |
| 5145988 | Process for producing hydrazone derivatives | Makoto Ishizuka | 1992-09-08 |
| 5008462 | Method for preparing monochloroacetaldehyde trimer | Makoto Ishizuka | 1991-04-16 |