Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1037356 | Pen with cap | — | 2024-07-30 |
| D1030871 | Pen | — | 2024-06-11 |
| D953424 | Pen | — | 2022-05-31 |
| D901586 | Pen | — | 2020-11-10 |
| 10576775 | Knock type writing instrument | Yoshiharu Namiki, Kazuhiko Furukawa, Yusuke Nakamura, Atsushi Nakashima, Yoshihiro MANTA | 2020-03-03 |
| D830462 | Pen | — | 2018-10-09 |
| D685027 | Pen | — | 2013-06-25 |
| D673610 | Pen | — | 2013-01-01 |
| D647967 | Pen | — | 2011-11-01 |
| D645084 | Cap | — | 2011-09-13 |
| D602528 | Pen | — | 2009-10-20 |
| D597135 | Pen | — | 2009-07-28 |
| D592246 | Pen | — | 2009-05-12 |
| D578161 | Pen | — | 2008-10-07 |
| D558269 | Pen | — | 2007-12-25 |
| D497950 | Ballpoint pen | — | 2004-11-02 |
| D496069 | Correction pen | — | 2004-09-14 |
| D484536 | Ball-point pen | — | 2003-12-30 |
| D484541 | Cap for a pen | — | 2003-12-30 |
| D483066 | Ballpoint pen | — | 2003-12-02 |
| D483067 | Ballpoint pen | — | 2003-12-02 |
| 6428235 | Liquid applicator having ink color identification | Yoshiomi Konose | 2002-08-06 |
| D454588 | Ball-point pen | — | 2002-03-19 |
| D454158 | Refill for ball-point pen | — | 2002-03-05 |
| D449649 | Marker | — | 2001-10-23 |