Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398993 | Method and apparatus for producing synthetic resin films | Haruhisa Yushio, Takanori Nishida, Koji Hayashi, Tatsu Iinuma | 2002-06-04 |
| 4931982 | Method for controlling the thickness of a sheet material and method for monitoring a correspondence relationship between the thickness distribution across a sheet material and means for adjusting the thickness | Shinichiro Hayashida, Shunichi Yorozu | 1990-06-05 |