Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D569430 | Ballpoint pen | Masanao Shiina, Kosuke Kondo, Yoshitoshi Aizawa, Hiroyasu Okuo, Hiroaki Yamada +1 more | 2008-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D569430 | Ballpoint pen | Masanao Shiina, Kosuke Kondo, Yoshitoshi Aizawa, Hiroyasu Okuo, Hiroaki Yamada +1 more | 2008-05-20 |