Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30659 | Pen points for writing instruments | Nobuyuki Otake, Kozo Ando, Hironobu Hori | 1981-06-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE30659 | Pen points for writing instruments | Nobuyuki Otake, Kozo Ando, Hironobu Hori | 1981-06-30 |