Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12342977 | Cleaner sheet, layered body of cleaner sheet, cleaning tool, and method for producing cleaner sheet | Hirofumi Yamada, Hiroshi Nagami, Yosuke Suyama, Tsuneaki Omori, Yoshitake Shigematsu +2 more | 2025-07-01 |
| 11412916 | Cleaner sheet, layered body of cleaner sheet, cleaning tool, and method for producing cleaner sheet | Hirofumi Yamada, Hiroshi Nagami, Yosuke Suyama, Tsuneaki Omori, Yoshitake Shigematsu +2 more | 2022-08-16 |