Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6076987 | Ballpoint pen and cap therefor | Nobuo Sekine, Takehiko Yokosuka, Yoshiaki Okawara | 2000-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6076987 | Ballpoint pen and cap therefor | Nobuo Sekine, Takehiko Yokosuka, Yoshiaki Okawara | 2000-06-20 |