Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487840 | Magnetic fluid composition | Toshikazu Yabe, Atsuhiro Yamamoto, Atsushi Yokouchi | 1996-01-30 |
| 4634659 | Processing-free planographic printing plate | Anthony M. Schwartz, Albert C. Zettlemoyer | 1987-01-06 |
| 4464696 | Secondary arc extinction device | Michio Masui, Yasuhiro Ogawa | 1984-08-07 |