Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4619869 | Biaxially oriented polyester film | Tsutomu Kiriyama, Shigeru Horie, Tetsuo Ichihashi | 1986-10-28 |
| 4539389 | Biaxially oriented polyester film | Tsutomu Kiriyama, Shigeru Horie, Tetsuo Ichihashi | 1985-09-03 |