Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886871 | Melt-stable poly(arylene thioetherketone) and production process thereof | Yoshikatsu Satake, Takashi Kaneko, Yo Iizuka, Takayuki Katto, Zenya Shiiki | 1989-12-12 |
| 4819043 | MOSFET with reduced short channel effect | Yoshiaki Yazawa, Akira Fukami, Takahiro Nagano | 1989-04-04 |