Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11845112 | Pressure washer | — | 2023-12-19 |
| 11667027 | Working machine | Toshikazu Migita | 2023-06-06 |
| 11426746 | Pressure washer | — | 2022-08-30 |
| D919209 | High-pressure cleaner | Wataru Suzuki | 2021-05-11 |
| 9871365 | Protective relay system and protective relay device | Akira Kawarada, Takahiro Mori, Michihiko Inukai, Tomonori Nishida | 2018-01-16 |
| 9713880 | Chainsaw | Koji Haneda, Jiro Oda, Daisuke Suzuki | 2017-07-25 |
| 9209919 | Synchronization control system | Akinori Hirose, Akira Kawarada, Kazuto Fukushima | 2015-12-08 |
| 8961710 | Carburized component and manufacturing method | Yutaka Neishi, Takanari Hamada, Hidekazu Sueno, Yuji Kobayashi | 2015-02-24 |
| 8396098 | Digital protective relay device and data transmission device for the same | Kazuto Fukushima, Masamichi Saga | 2013-03-12 |
| D668513 | Hedge trimmer | Shinsuke Okuda, Fuzhi Zhang | 2012-10-09 |
| 8059857 | Voice coil bobbin and speaker system | — | 2011-11-15 |
| 7737677 | Wide area protection control measurement system and method | Katsuhiko Sekiguchi, Hideyuki Takani | 2010-06-15 |
| 7570779 | Speaker | — | 2009-08-04 |
| 7333346 | Circuit board having test coupon and method for evaluating the circuit board | Tomoyuki Miyagawa, Toshiharu Shiratsuchi, Isao Tanooka | 2008-02-19 |
| 7266901 | Multiple-bolt insertion tool | Takao Taniguchi, Shigeharu Ikeda, Tadayoshi Funahara, Hiroshi Osada | 2007-09-11 |
| 7010141 | Speaker device | Taizo Nakata, Tetsuo Nishikawa | 2006-03-07 |
| 6833538 | Device for determining focused state of taking lens | Tadashi Sasaki, Masao Wada, Tetsuji Inoue, Ryoji Kumaki, Shinobu Nakamura +3 more | 2004-12-21 |
| 6822801 | Device for determining focused state of taking lens | Satoshi Yahagi, Masao Wada, Tetsuji Inoue, Ryoji Kumaki, Shinobu Nakamura +3 more | 2004-11-23 |
| 6804370 | Speaker capable to playback in wide frequency range | — | 2004-10-12 |
| 6678134 | Digital protective relay system | Itsuo Shuto, Hachidai Ito, Masamichi Saga | 2004-01-13 |
| 4437215 | Thrust bearing with tapered lands | Shigehiro Nozue, Tatsuhiko Fukuoka | 1984-03-20 |
| 4326758 | Thrust bearing with tapered lands | Shigehiro Nozue, Tatsuhiko Fukuoka | 1982-04-27 |