Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874888 | Process for the preparation of a diester of oxalic acid | Yasushi Shiomi, Tokuo Matsuzaki | 1989-10-17 |
| 4507494 | Process for the production of a diester of oxalic acid | Haruhiko Miyazaki, Yasushi Shiomi, Satoru Fujitus, Hiroshi Yanagisawa | 1985-03-26 |
| 4410722 | Process for preparing oxalic acid diesters using platinum group metals supported on alumina | Haruhiko Miyazaki, Yasushi Shiomi, Satoru Fujitus, Hiroshi Yanagisawa | 1983-10-18 |
| 4384133 | Process for the preparation of oxalic acid diesters | Haruhiko Miyazaki, Yasushi Shiomi, Satoru Fujitus, Hiroshi Yanagisawa | 1983-05-17 |
| 4260810 | Process for preparing diesters of dicarboxylic acids | Sumio Umemura, Kanenobu Matsui, Yoshinari Ikeda, Takumi Kadota, Kozo Fujii +2 more | 1981-04-07 |
| 4234740 | Process for preparing diesters of dicarboxylic acids | Sumio Umemura, Kanenobu Matsui, Yoshinari Ikeda, Takumi Kadota | 1980-11-18 |