Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869104 | Differential pressure type liquid level meter | Kozo Takano, Kiyoyuki Ushirokoji, Shigeo Igarashi | 1989-09-26 |
HS
Hirokazu Saito
Overall (1989): #104,303 of 140,708Top 75%
1
Patents 1989