Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7614110 | Wet sheet for cleaning | Hiroyuki Akai, Akihito Shizuno | 2009-11-10 |
| 6936333 | Bulky sheet and process for producing the same | Akihito Shizuno, Kenji Ishikawa, Hiromichi Suzuki | 2005-08-30 |