Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673602 | Method and apparatus for making perforations continuously | Hiroshi Seikai, Koichi Takahashi, Hiroshi Tsuzaki | 1997-10-07 |
MS
Mituru Suzuki
Overall (1997): #101,667 of 185,788Top 55%
1
Patents 1997