Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5235467 | Cylindrical lens and a manufacturing method for the same | — | 1993-08-10 |
| 4354172 | System of generating synchronizing signals in a navigational light group | Isaburo Takeyasu, Yuji Sato | 1982-10-12 |