Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11522530 | Waveform shaping circuit, signal generation apparatus, and signal reading system | Hiroyoshi IKEDA, Shin Kasai, Tomoharu Sakai | 2022-12-06 |
| 11349464 | Waveform shaping circuit, signal generation apparatus, and signal reading system | Hiroyoshi IKEDA, Shin Kasai, Tomoharu Sakai | 2022-05-31 |
| 10841027 | Broadcast wave synchronization signal converting device | Satoru Yasui | 2020-11-17 |
| 10767538 | Energy conversion device | Takuya Fuse, Motohiko Ueda, Yasumasa Hagiwara, Yuichi Ohno, Yukikatsu Ozaki | 2020-09-08 |
| 10012677 | Voltage detecting apparatus | — | 2018-07-03 |
| 9201100 | Voltage detecting apparatus and line voltage detecting apparatus | — | 2015-12-01 |
| 8803506 | Voltage detecting apparatus that detects voltage of an object | — | 2014-08-12 |
| 8222886 | Voltage detecting apparatus and line voltage detecting apparatus having a detection electrode disposed facing a detected object | — | 2012-07-17 |
| 7834645 | Variable capacitance circuit, voltage measuring apparatus, and power measuring apparatus | — | 2010-11-16 |
| 7466145 | Voltage measuring apparatus and power measuring apparatus | — | 2008-12-16 |
| 7454725 | Apparatus and computer readable medium having program for analyzing distributed constant in a transmission line | Fuchun Zhang, Toshiro Sato | 2008-11-18 |
| 7355493 | Filter element | Fuchun Zhang | 2008-04-08 |
| 7148768 | Filter element | Fuchun Zhang | 2006-12-12 |
| 5896926 | Packer type groundwater sampling system and water sampling method | Katsuhiro Hama, Toshihiro Seo, Katsushi Nakano, Hiroshi Mori, Yukifusa Nakashima +2 more | 1999-04-27 |
| 5767400 | Hydraulic test system mounted with borehole television set for simultaneous observation in front and lateral directions | Katsushi Nakano, Yoichi Hirata, Kazuyuki Goto, Masahiko Tamura, Shunichi Kamewada | 1998-06-16 |
| 4986120 | Low-water-pressure controlled hydrologic test method | Yoichi Hirata | 1991-01-22 |