Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8771410 | Ink for ballpoint pens and ballpoint pen using same | Aya Otsubo, Ikuo Takagishi, Kiyonori Yasuike, Hiroki Kimura | 2014-07-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8771410 | Ink for ballpoint pens and ballpoint pen using same | Aya Otsubo, Ikuo Takagishi, Kiyonori Yasuike, Hiroki Kimura | 2014-07-08 |