Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547946 | Method for producing a nondirectional pen | Kazuhiko Osaki, Hirofumi Hamamoto, Junzi Kurokawa | 1985-10-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547946 | Method for producing a nondirectional pen | Kazuhiko Osaki, Hirofumi Hamamoto, Junzi Kurokawa | 1985-10-22 |