Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765117 | Apparatus for welding a strip of tape to film | Koh Myowa, Noboru Hirasawa | 1988-08-23 |
| 4765118 | Apparatus for welding a strip of tape to film | Tsutomu Kamojima, Noboru Hirasawa | 1988-08-23 |