Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6629371 | Surveying instrument incorporating a magnetic incremental rotary encoder | Masami Shirai | 2003-10-07 |
| 6622391 | Incremental rotary encoder, and a surveying instrument incorporating a magnetic incremental rotary encoder | Masami Shirai, Masato Noguchi | 2003-09-23 |
| 6555809 | Incremental rotary encoder | Masami Shirai | 2003-04-29 |
| 6550150 | Surveying instrument incorporating a magnetic incremental rotary encoder | Masami Shirai | 2003-04-22 |