Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087734 | Crystal modification of magnesium salt of mono-p-nitrobenzyl malonate and process for producing the same | Shigeru Matsuyama | 1992-02-11 |
| 5041672 | Process for preparing p-phenylenediamines | — | 1991-08-20 |
| 4898996 | Process for producing 3-chloro-4-fluoronitrobenzene | Tatuharu Fukushima | 1990-02-06 |
| 4620003 | Process for producing 2-quinoxalinols | — | 1986-10-28 |