Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011672 | Installation structure for lip type seal | Hideki Tomoto, Masamitsu Sanada | 2011-09-06 |
| 7942424 | Lip type seal | Hideki Tomoto, Masamitsu Sanada | 2011-05-17 |
| D582437 | Seal for a rotary shaft | Hideki Tomoto, Masamitsu Sanada | 2008-12-09 |
| D582438 | Seal for a rotary shaft | Hideki Tomoto, Masamitsu Sanada | 2008-12-09 |
| D582439 | Seal for a rotary shaft | Hideki Tomoto, Masamitsu Sanada | 2008-12-09 |
| D582441 | Seal for a rotary shaft | Hideki Tomoto, Masamitsu Sanada | 2008-12-09 |
| D582440 | Seal for a rotary shaft | Hideki Tomoto, Masamitsu Sanada | 2008-12-09 |
| D582436 | Seal for a rotary shaft | Hideki Tomoto, Masamitsu Sanada | 2008-12-09 |
| 5854925 | Automatic bug locator for automatically locating bugs through interaction with an operator | — | 1998-12-29 |
| 4444399 | Mechanical seal and method of forming a sliding surface thereof | Tadamasa Yanai, Risaburo Sagehashi, Yoshio Kameyama | 1984-04-24 |
| 4420162 | Mechanical seal and method of forming a sliding surface thereof | Tadamasa Yanai, Risaburo Sagehashi, Yoshio Kameyama | 1983-12-13 |
| 4343192 | Flow rate measuring instrument | — | 1982-08-10 |