Issued Patents All Time
Showing 1–25 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325151 | Method and device for producing concrete pile | Akio Kitamura, Hiroaki Tanouchi, Shinya Nakazawa | 2025-06-10 |
| 12258724 | Pile press-in construction method, pile supplying device, and pile press-in device | Toshihiko Murata, Yasuhiro Tanaka, Yoshihiro Morioka | 2025-03-25 |
| 12025832 | Photo-detector | Katsumasa Yoshioka, Kengo Nozaki, Akihiko Shinya, Masaya Notomi | 2024-07-02 |
| 11661717 | Pile press-in device and pile press-in method | Katsuhiko Ono, Yoshihiro Morioka, Kengo Nonaka | 2023-05-30 |
| 11530520 | Pile press-in machine and pile press-in method | Akio Kitamura, Hiroaki Tanouchi, Toshio Ikeda | 2022-12-20 |
| 11300729 | Method for manufacturing optical device | Eiichi Kuramochi, Hisashi Sumikura, Akihiko Shinya, Masaya Notomi | 2022-04-12 |
| 9768872 | Optical transceiver outputting wavelength multiplexed signal and receiving another wavelength multiplexed signal | Shinta Kasai, Fumihiro Nakajima | 2017-09-19 |
| 9644853 | Packaged engine working machine | Tatsuya Kawano, Keisuke Kawakita | 2017-05-09 |
| 9395421 | Circuit fault detection device | Masataka IEDA, Shuya Sano | 2016-07-19 |
| 9025297 | Surge protection circuit in three-phase four-wire circuit | Toshinobu Fujisawa, Kenji Ogata, Keisuke Kawakita | 2015-05-05 |
| 8963348 | Packaged engine working machine | Keisuke Kawakita, Tatsuya Kawano | 2015-02-24 |
| 8728363 | Thermoplastic resin foam and production process thereof | Toru Itadani | 2014-05-20 |
| 8643984 | Engine system in which transformer is arranged in independent ventilation path | Keisuke Kawakita, Toshinobu Fujisawa, Tatsuya Kawano | 2014-02-04 |
| 8487457 | Engine system | Toshinobu Fujisawa, Tatsuya Kawano | 2013-07-16 |
| 8361363 | Foam board of polyolefin resin and method for its production | Toru Itadani, Kengo Ozaki | 2013-01-29 |
| 8360014 | Engine housing enclosure | Toshiyuki Hayashi, Hirotoshi Kihara, Shojiro Matsumura | 2013-01-29 |
| 8222310 | Extruded polypropylene resin foam and process for producing the same | Toru Itadani | 2012-07-17 |
| 7608349 | Polyester film for recording medium and magnetic recording tape | Kazuyoshi Fukata, Masahiro Yagi | 2009-10-27 |
| 7472611 | Stress detection method for force sensor device with multiple axis sensor and force sensor device employing this method | Toshio Hanazawa, Tsutomu Miyashita, Hiroshi Tokunaga, Hiroshi Ishikawa | 2009-01-06 |
| 7320253 | Stress detection method for sensor device with multiple axis sensor and sensor device employing this method | Toshio Hanazawa, Tsutomu Miyashita, Hiroshi Tokunaga, Hiroshi Ishikawa | 2008-01-22 |
| 7296471 | Acceleration sensor | Hiroshi Ishikawa, Hiroshi Tanaka, Sumio Yamada | 2007-11-20 |
| 7069789 | Inertial sensor | Hiroshi Tokunaga, Kenji Nagata, Toshio Hanazawa, Hiroshi Ishikawa | 2006-07-04 |
| 7060378 | Polyester film for magnetic recording media, magnetic recording tape and digital recorder | Katsuya Okamoto, Kazuyoshi Fukata | 2006-06-13 |
| 6936331 | Polyester film and recording tape | Katsuya Okamoto, Kazuyoshi Fukata | 2005-08-30 |
| 6639441 | Clock signal correction circuit and semiconductor device implementing the same | Masataka Kazuno, Narito Matsuno | 2003-10-28 |