Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7084516 | Surface protection film | Hisatsugu Tokunaga, Mikio Shimizu | 2006-08-01 |
| 5858300 | Self-sustaining container | Norihiro Shimizu, Tomohiro Urano, Akira Nitta | 1999-01-12 |