Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8156603 | Cleaning tool | Jun Uragami, Toshihiko Uenishi, Masaho Hayashi, Yoshinori Tanaka | 2012-04-17 |
| 7966688 | Cleaning tool and cleaning element | Jun Uragami, Toshihiko Uenishi, Masaho Hayashi, Yoshinori Tanaka | 2011-06-28 |
| 7930794 | Cleaning tool | Jun Uragami, Toshihiko Uenishi, Masaho Hayashi, Yoshinori Tanaka | 2011-04-26 |