Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9034435 | Coated printing papers and processes for preparing them | Osamu Kozuka, Ryo Sotooka, Susumu Kato | 2015-05-19 |
| 8377259 | Processes for preparing coated printing papers using hardwood mechanical pulps | Osamu Kozuka, Koji Kutsuwa, Takehiro Yoshimatsu | 2013-02-19 |