Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7842019 | Absorbent product | Katsuhiko Sugiyama, Yoshiaki Takamatsu, Masaru Tsubata, Migaku Suzuki | 2010-11-30 |
| 7175613 | Absorptive product having removable absorbers | Katsuhiko Sugiyama, Migaku Suzuki | 2007-02-13 |