Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424220 | Single-ended push-pull amplifier circuit | — | 2002-07-23 |
| 4546171 | Method for continuous polycondensation of higher aliphatic .omega.-amino acid particles | Eizo Gotah, Takeshi Tomishima, Tadao Tsutsumi | 1985-10-08 |