Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669537 | Resin diamond blade and optical waveguide manufacturing method using the blade | Akio Maeda | 2003-12-30 |
| 6626583 | Optical multiplexer/demultiplexer module and production method therefor | Keizo Sakamoto | 2003-09-30 |