Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931578 | Process for the production of trialkoxysilanes | Yoshiro Ohta | 1990-06-05 |
| 4892625 | Method for producing high purity chemicals | Shumpei Shimizu, Toshitsura Cho | 1990-01-09 |
| 4873120 | Method of manufacturing cathode-ray tube | Takeo Itou, Hidemi Matsuda, Osamu Yagi | 1989-10-10 |
| 4806329 | Method of producing granular synthetic silica | Toshitsura Cho | 1989-02-21 |