Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11835138 | Diaphragm seal and maintenance method thereof | — | 2023-12-05 |
| 6941812 | Converter and method of manufacturing the same | Daiji Uehara | 2005-09-13 |
| 6192761 | Sensor chip, laminated wafer for sensor chip and manufacturing method of sensor chip | Seiichi Yokoyama, Fumio Kaise | 2001-02-27 |
| 6097821 | Electrostatic capacitance type transducer | Seiichi Yokoyama, Hiroji Ito, Fumio Kaise | 2000-08-01 |
| 5917264 | Electrostatic capacitance type transducer and method for producing the same | Naohiko Maruno, Seiichi Yokoyama, Hiroji Ito, Fumio Kaise | 1999-06-29 |