Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501540 | Surveying instrument having an optical distance meter | Masami Shirai | 2002-12-31 |
| 6384944 | Integral transmitter-receiver optical communication apparatus | Homu Takayama, Tatsuo Gotoh, Yoichi Kojima, Masakazu Yamagata | 2002-05-07 |