Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12425279 | Connecting circuit and communication interface | Toshiki Kishi, Masatoshi Tobayashi, Yoshikazu Urabe | 2025-09-23 |
| 12308868 | Amplifier circuit | Toshiki Kishi, Masatoshi Tobayashi, Yoshikazu Urabe | 2025-05-20 |
| 12203823 | Looseness detection sensor and method | Eri Matsunaga, Masahito Nakamura, Masayuki Tsuda | 2025-01-21 |
| 12158389 | Looseness detection device and looseness detection method | Masayuki Tsuda, Eri Matsunaga, Masahito Nakamura | 2024-12-03 |
| 12085519 | Loosening detection structure and loosening detection method using said structure | Eri Matsunaga, Masahito Nakamura, Masayuki Tsuda, Takashi Sawada | 2024-09-10 |
| 12085470 | Bolt tightening torque management structure and method | Eri Matsunaga, Masayuki Tsuda | 2024-09-10 |
| 12047087 | Ad converter | Kenichi Matsunaga | 2024-07-23 |
| 12031856 | Looseness detection sensor and how to identify loose bolts | Eri Matsunaga, Masahito Nakamura, Masayuki Tsuda | 2024-07-09 |
| 12012988 | Abnormality detection device and fixing structure | Masahito Nakamura, Eri Matsunaga | 2024-06-18 |
| 11984903 | Variable reference voltage source | Kenichi Matsunaga | 2024-05-14 |
| 11976993 | Loosening detection structure, loosening detection system and method | Eri Matsunaga, Masahito Nakamura, Masayuki Tsuda | 2024-05-07 |
| 11976947 | Transducer, loosening detection system and loosening detection method | Eri Matsunaga, Masahito Nakamura, Masayuki Tsuda | 2024-05-07 |
| 11955985 | Ad converter | Kenichi Matsunaga | 2024-04-09 |
| 11936396 | AD converter with self-calibration function | Kenichi Matsunaga | 2024-03-19 |
| 11921055 | Surface change detector and surface change detection method using same | Masahito Nakamura, Eri Matsunaga | 2024-03-05 |
| 11770127 | Self-calibration function-equipped AD converter | Kenichi Matsunaga | 2023-09-26 |
| 11714437 | Variable reference voltage source | Kenichi Matsunaga | 2023-08-01 |
| 11493074 | Loosening detection structure and loosening detection method using said structure | Eri Matsunaga, Masahito Nakamura, Masayuki Tsuda | 2022-11-08 |
| 11454607 | Crack detection device and method therefor | Eri Matsunaga, Masahito Nakamura, Masayuki Tsuda | 2022-09-27 |
| 11368162 | Self-calibration function-equipped AD converter | Kenichi Matsunaga | 2022-06-21 |
| 11280752 | Crack detection system and crack detection method | Eri Matsunaga, Soichi Oka | 2022-03-22 |
| 7907895 | Electric field sensor device, transceiver, positional information obtaining system and information input system | Mitsuru Shinagawa, Katsuyuki Ochiai, Aiichirou Sasaki, Nobutarou Shibata, Hakaru Kyuragi | 2011-03-15 |
| 7859666 | Electric field sensor | Aiichirou Sasaki, Mitsuru Shinagawa, Nobutarou Shibata, Kazuo Fujiura, Masahiro Sasaura +1 more | 2010-12-28 |
| 7801483 | Receiver, transceiver, and electric field communication system | Mitsuru Shinagawa | 2010-09-21 |
| 7636547 | Reactance adjuster, transceiver and transmitter using the reactance adjuster, signal processing circuit suitable for use in the reactance adjuster, the transceiver, and the transmitter, reactance adjusting method, transmitting method, and receiving method | Nobutarou Shibata, Mitsuru Shinagawa | 2009-12-22 |