Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802138 | Sense amplifier circuit for semiconductor memory | — | 1989-01-31 |
| 4458643 | Lubricating oil feeding device for fuel injection pumps | Hiroshi Isobe, Kouji Yamanoi | 1984-07-10 |