Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521692 | Molded resin article and ink applicators such as ball-point pens | — | 2003-02-18 |
| 6474887 | Applicator | — | 2002-11-05 |
| D457188 | Cap for a writing instrument | — | 2002-05-14 |
| 6283662 | Ink applicator, ink backflow prevention mechanism of ink applicator, and a pen tip | Shigeyasu Inoue, Yasunori Nakatani | 2001-09-04 |
| 5348411 | Writing implement and a fabricating method thereof | Masahiro Yasunaga, Shigeyasu Inoue | 1994-09-20 |
| 5297883 | Liquid applicator with drying prevention agent | — | 1994-03-29 |
| 5022775 | Writing inplement with magnetic closure | Shigeyasu Inoue, Yasunori Nakatani | 1991-06-11 |
| 4911571 | Device for preventing drying of ink in writing instrument | Shigeyasu Inoue, Hiroyoshi Yamamoto | 1990-03-27 |