Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11855375 | Power conversion device and component interconnection structure | Motohiko Fujimura, Toshihiko Bessho, Eiji Nishimura, Shinya Kimura, Shigeru Nakabayashi +1 more | 2023-12-26 |
| 10268133 | Conductive roll | Kousuke Oura, Masaki Tahara | 2019-04-23 |
| 10235658 | Maintenance management device for operating machinery | Hideaki Suzuki, Kozo Nakamura, Shinya Yuda, Munetoshi Unuma, Junsuke Fujiwara +5 more | 2019-03-19 |
| 10209642 | Charge roller | Yuka Moriyasu, Tomohiro Murata | 2019-02-19 |
| 10154340 | Microphone | Kazumoto Doi, Futoshi Takeshi | 2018-12-11 |
| 9418557 | Fleet operation management system | Yukihiro Kawamata, Mikio Bando, Katsuaki Tanaka | 2016-08-16 |
| 8862390 | Position adjustment assistance system for transportation machine | Kazuhiro Sugawara, Katsuaki Tanaka, Teruo Nakamura | 2014-10-14 |
| 8320589 | Electret condenser | Tohru Yamaoka, Yuichi Miyoshi | 2012-11-27 |
| 8278975 | Sinusoidal waveform generation circuit | Ryoji Kawaai, Yukinori Harada | 2012-10-02 |
| 8155355 | Electret condenser microphone | Tohru Yamaoka | 2012-04-10 |
| 8146437 | Diaphragm structure and MEMS device | Yuichi Miyoshi, Yusuke Takeuchi, Tohru Yamaoka | 2012-04-03 |
| 8073166 | Electretization method and apparatus | Yusuke Takeuchi | 2011-12-06 |
| 7853027 | Electret condenser | Tohru Yamaoka, Yuichi Miyoshi | 2010-12-14 |
| 7775558 | Webbing holding device | Yasuhiro Yoshida, Shoji Tomita, Naoki Naito | 2010-08-17 |
| 7706554 | Electret condenser | Tohru Yamaoka | 2010-04-27 |
| 7672768 | Operation assist apparatus | Junichi Narisawa, Toshiyuki Miyamoto, Kenichi Sagiya, Hidefumi Ishimoto, Sumio Morita +3 more | 2010-03-02 |
| 7620192 | Electret covered with an insulated film and an electret condenser having the electret | Tohru Yamaoka, Yuichi Miyoshi, Tomoyuki Sasaki | 2009-11-17 |
| 7590252 | Heat-resistant electret condenser microphone | Katsuhiro Makihata, Yoshinobu Yasuno | 2009-09-15 |
| 7513070 | Work support and management system for working machine | Hideto Ishibashi, Keiji Hatori, Hiroshi Watanabe | 2009-04-07 |
| 7466834 | Electret condenser microphone | Tohru Yamaoka | 2008-12-16 |
| 7324893 | Traffic management system | Kiyohide Yamashita, Yuji Nagano, Yuji Nomura, Kazuyoshi Nagai, Takato Ohashi +1 more | 2008-01-29 |
| 7310942 | Exhaust passage control valve | Hiroyuki Shiga, Shouji Ichikawa, Tatsuhiro Nagashima | 2007-12-25 |
| 7289895 | Electronic control systems for construction machine | Hidefumi Ishimoto, Yoshinori Eguchi, Takao Kurosawa, Junichi Narisawa | 2007-10-30 |
| 7222051 | Working machine, failure diagnosis system for work machine and maintenance system for work machines | Koichi Shibata, Hiroshi Watanabe, Genroku Sugiyama, Hiroyuki Adachi, Hideo Karasawa | 2007-05-22 |
| 7079982 | Working machine, trouble diagnosis system of working machine, and maintenance system of working machine | Hiroshi Watanabe, Genroku Sugiyama, Hideo Karasawa, Yoshiyuki Umeno, Osamu Tomikawa +3 more | 2006-07-18 |