Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812361 | Acrylic fiber having Y-type section and process for producing the same | Fumio Takemoto, Mitsutoshi Ochi | 1989-03-14 |
TK
Tuneo Kunishige
Overall (1989): #32,715 of 140,708Top 25%
1
Patents 1989