Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834533 | Measuring the refractive index of liquid | Masanori Horike, Yutaka Ebi | 1989-05-30 |
MU
Michio Umezawa
Overall (1989): #74,998 of 140,708Top 55%
1
Patents 1989