Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11276523 | Ignition coil for internal combustion engine | Kengo Osawa | 2022-03-15 |
| 9161134 | Acoustic generator, acoustic generating device, and electronic device | — | 2015-10-13 |
| 9024513 | Multi-layer piezoelectric element, and injection device and fuel injection system using the same | Shinsaku Satoi, Katsuhiko Hanada | 2015-05-05 |
| 8887183 | Optical disc device and lens cleaner | Asayuki Matsumura, Tomio Yamamoto, Akihiko Nishioka | 2014-11-11 |
| 8704430 | Piezoceramic multilayer actuator with high reliability | Bernhard Döllgast, Harald Kastl, Atsushi Ochi, Takami Sakamoto, Carsten Schuh | 2014-04-22 |
| 8556607 | Screw rotor | Yuya Izawa, Shinya Yamamoto, Makoto Yoshikawa | 2013-10-15 |
| 8410663 | Piezoelectric actuator unit having a stress relieving layer and method for manufacturing the same | Takami Sakamoto, Harald Kastl, Carsten Schuh, Bernhard Doellgast, Atsushi Ochi | 2013-04-02 |
| 8348650 | Root pump | Shinya Yamamoto, Makoto Yoshikawa, Yuya Izawa | 2013-01-08 |
| 8339018 | Laminated piezoelectric element, ejection device, fuel ejection system, and method for manufacturing laminated piezoelectric element | Takeshi Okamura, Tomohiro Kawamoto | 2012-12-25 |
| 8339017 | Multi-layer piezoelectric element and injection apparatus using the same | Junya Shoji, Shigenobu Nakamura | 2012-12-25 |
| 8215937 | Fluid machine with divided housing | Shinya Yamamoto, Makoto Yoshikawa, Yuya Izawa | 2012-07-10 |
| 8212451 | Multi-layer piezoelectric element having a plurality of junction sections and injection apparatus employing the same | Takami Sakamoto, Harald Kastl, Carsten Schuh, Bernhard Doellgast, Atsushi Ochi | 2012-07-03 |
| 8196843 | Multi-layer piezoelectric element, injection apparatus using the same and method of multi-layer piezoelectric element | Takami Sakamoto, Harald Kastl, Carsten Schuh, Bernhard Doellgast, Atsushi Ochi | 2012-06-12 |
| 7948150 | Piezoceramic multilayer actuator and method of manufacturing a piezoceramic multilayer actuator | Bernhard Döllgast, Harald Kastl, Atsushi Ochi, Takami Sakamoto, Carsten Schuh | 2011-05-24 |
| 7851974 | Piezoceramic multilayer actuator manufactured according to particular sintering parameters and corresponding method of manufacturing | Bernhard Döllgast, Harald Kastl, Atsushi Ochi, Takami Sakamoto, Carsten Schuh | 2010-12-14 |
| 7843114 | Piezoceramic multilayer actuator and method of manufacturing a piezoceramic multilayer actuator | Bernhard Döllgast, Harald Kastl, Atsushi Ochi, Takami Sakamoto, Carsten Schuh | 2010-11-30 |
| 7839259 | Mounting structure for temperature switch | Teruyuki Takeda | 2010-11-23 |
| 7798794 | Screw pump and screw rotor | Yuya Izawa, Shinya Yamamoto, Makoto Yoshikawa | 2010-09-21 |
| 7710229 | Ignition coil and ignition coil system having the same | — | 2010-05-04 |
| 7497672 | Screw pump with increased volume of fluid to be transferred | Shinya Yamamoto, Makoto Yoshikawa, Yuya Izawa | 2009-03-03 |
| 7484943 | Screw pump with improved efficiency of drawing fluid | Yuya Izawa, Shinya Yamamoto, Makoto Yoshikawa | 2009-02-03 |
| 7458790 | Vacuum pump with improved oil lubrication | Shinya Yamamoto, Ryosuke Koshizaka, Yuya Izawa, Kentaro Ishihara | 2008-12-02 |
| 6781500 | Ingition coil for internal combustion engine | Kazuhide Kawai, Masafuyu Sano, Shigeya Abe, Hajime Kasai, Hidetoshi Nakashima +8 more | 2004-08-24 |
| 5798995 | Information recording medium and apparatus and method for recording and reproducing information | Yoshihisa Fukushima, Yasushi Azumatani, Hiroshi Hamasaka | 1998-08-25 |
| 5692483 | Ignition coil used for an internal combustion engine | Junichi Wada, Akiyoshi Yamamoto | 1997-12-02 |