Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555841 | Testable substrate and a testing method | Koji Takemura | 2003-04-29 |
| 6256437 | Optical device and its production method | Koji Takemura, Michiaki Hiraoka, Mikio Kyomasu | 2001-07-03 |