Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608672 | Soil survey device and system for precision agriculture | Sakae Shibusawa, Shinichi Hirako | 2003-08-19 |
| 4315526 | Steam valve of turbine system in power generating plant | — | 1982-02-16 |