Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080466 | Composite sheets for wiping cloths | Jiro Yoshimura, Akira Sakamoto, Yoichi Yamazaki | 2000-06-27 |
| 5536535 | Process for producing a coated paper | Yoichi Yamazaki, Kazuaki Kamata, Yasunori Nanri | 1996-07-16 |