Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653355 | Treating agent for oil | Tomohiro Shiiya, Kunimitsu Tamura | 2003-11-25 |
| 5038385 | Area filling method for filling an inside portion of a raster graphic obtained by developing a binary graphic described by direction codes | — | 1991-08-06 |