Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229966 | Current control circuit for dynamic memory | Takashi Ohsawa | 1993-07-20 |
| 5015262 | Dye-leveling agent for reactive dyeing: phospholipids or phospholipid-type compounds | Yujin Tabata, Tateyuki Nagatomi | 1991-05-14 |
| 4976743 | Dyeing auxiliary composition: levelling agent for reactive dyes containing hydroxy sulfonic acid anionic surfactant and poly-basic polymer | Yujin Tabata, Masaaki Nagatsuka, Tateyuki Nagatomi, Helmut Klicker | 1990-12-11 |