Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699374 | Solid-state material, method of manufacturing the solid-state material, frequency-converting element, and frequency-measuring instrument incorporating the element, and frequency modulator/amplifier incorporating the element | Kouichi Ichimura, Nobuhiro Gemma | 1997-12-16 |
| 5604643 | Multiple reflection optical instrument and reflected light catching method using the same | — | 1997-02-18 |