Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6974272 | Writing instrument cap | Yojiro Sano | 2005-12-13 |
| 6966718 | Writing instrument, writing instrument cap and method of assembly of a writing instrument cap | Yojiro Sano | 2005-11-22 |
| 6873813 | Development method and image formation apparatus | Tadashi Iwamatsu, Hiroyuki Hirakawa, Tetsuro Toyoshima | 2005-03-29 |