Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806787 | Schmitt circuit for semiconductor integrated circuit | Takahiro Kato, Takanori Sugihara | 1989-02-21 |
| 4803383 | Transistor-transistor logic circuit | — | 1989-02-07 |
KH
Katsuji Hirochi
Overall (1989): #23,026 of 140,708Top 20%
2
Patents 1989