Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7066321 | Paper container | Yuji Kawaguchi, Michiaki Fujita, Hidesato Kizaki | 2006-06-27 |
| 5545349 | Bleaching composition | Jun Kurii, Noboru Nomura, Masami Itoh, Masaki Tsumadori, Akira Matsunaga +2 more | 1996-08-13 |
| 4376177 | Sizing composition | Kinjiro Matsunaga, Yunosuke Nakagawa | 1983-03-08 |