Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632272 | Light color emulsion ink for stencil printing, and method of stencil printing | Yoshihiro Hayashi | 2003-10-14 |
| 6632273 | Color emulsion ink for stencil printing | Yoshihiro Hayashi | 2003-10-14 |