Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8593137 | Eddy current sensor and eddy current measurement method | Naotaka Ide, Takanari Yamamoto | 2013-11-26 |
| 7161360 | Electrostatic capacitance sensor, electrostatic capacitance sensor component, object mounting body and object mounting apparatus | Yoshihiro Hirota, Toshiyuki Matsumoto | 2007-01-09 |
| 6828806 | Electrostatic capacitance sensor, electrostatic capacitance sensor component, object mounting body and object mounting apparatus | Yoshihiro Hirota, Toshiyuki Matsumoto | 2004-12-07 |
| 6791319 | Eddy current probe with transverse polygonal detecting coil | — | 2004-09-14 |
| 6335642 | Impedance-to-voltage converter | Koichi Nakano, Muneo Harada, Toshiyuki Matsumoto, Yoshihiro Hirota | 2002-01-01 |
| 6331780 | Static capacitance-to-voltage converter and converting method | Koichi Nakano, Muneo Harada, Toshiyuki Matsumoto, Yoshihiro Hirota | 2001-12-18 |
| 5151671 | Circuit breaker | Akihiko Hirao, Tomoyuki Sawada, Shinji Takayama, Youichi Aoyama, Yukihiro Matsuoka | 1992-09-29 |
| 4673877 | Zirconium liner thickness measuring method and an apparatus therefor for a zirconium alloy tube | Takahide Sakamoto | 1987-06-16 |
| 4641092 | Rotary probe apparatus for detecting flaws in a test object | Takahide Sakamoto, Noriyuki Matsubara, Kenichi Miyata | 1987-02-03 |
| 4602212 | Method and apparatus including a flux leakage and eddy current sensor for detecting surface flaws in metal products | Tetsuya Hirota | 1986-07-22 |
| 4336923 | Steel surface inspection apparatus | Toshio Shiraiwa, Takahide Sakamoto | 1982-06-29 |
| 4337099 | Method and apparatus for conditioning of steel surface | Takahide Sakamoto | 1982-06-29 |
| 4318439 | Hot steel cutting apparatus | Takahide Sakamoto, Kenichi Matsui, Ichiroh Ohgaki | 1982-03-09 |
| 4247818 | Automatic sensitivity adjustment apparatus for calibration of a non-destructive inspection instrument | Tetsuya Hirota | 1981-01-27 |