Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550507 | Thread construction in length measuring instrument and method for manufacturing thread construction | — | 1985-11-05 |
| 4458422 | Height gauge | Tokuzo Nakaoki | 1984-07-10 |
| 4399613 | Two-leg vernier calipers and its manufacturing method | Kozo Shibukawa | 1983-08-23 |
| 4375722 | Vernier caliper | Kozo Shibukawa | 1983-03-08 |
| D257130 | Combined digital and dial caliper | Kozo Sibukawa | 1980-09-30 |
| D257010 | Dial caliper | Kozo Sibukawa | 1980-09-23 |
| D257012 | Combined digital and dial slide caliper | Kozo Sibukawa | 1980-09-23 |
| D257009 | Digital slide caliper | Kozo Sibukawa | 1980-09-23 |