Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5553496 | Apparatus and a method for detecting the generation of dust particles and a clean room equipped with the apparatus | Katsuyuki Nakano | 1996-09-10 |
| 5202449 | Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline | Ryoichi Hasegawa, Hiroaki Ohno, Kazuaki Sano, Yoshinori Saito, Shin'ichi Umeda | 1993-04-13 |
| 4675339 | Spherical amino acid preparation | Yoshimi Inoue, Mamoru Seki, Mamoru Katagiri, Zenji Ogawa | 1987-06-23 |