Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9591388 | In-car audio system | — | 2017-03-07 |
| 9479873 | Speaker apparatus | Masaru Yamagami, Arata Tada | 2016-10-25 |
| 9454793 | Display control device and mobile electronic apparatus | Kunihiko Tani, Yoshikazu Yokota, Goro Sakamaki, Takashi Ohyama, Shigeru Ohta | 2016-09-27 |
| 8907962 | Display system with display panel and display controller and driver having moving picture interface | Goro Sakamaki, Takashi Ohyama, Shigeru Ohta | 2014-12-09 |
| 8582799 | Speaker device | — | 2013-11-12 |
| 8552952 | Display drive control circuit | Goro Sakamaki, Takashi Ohyama, Shigeru Ohta | 2013-10-08 |
| 8542864 | Speaker device | — | 2013-09-24 |
| 8520885 | Composite speaker | — | 2013-08-27 |
| 8325967 | Speaker apparatus | — | 2012-12-04 |
| 8164331 | Magnetic field measurement method and magnetic sensor | Takakazu Imai, Junya Fukuda | 2012-04-24 |
| 8164330 | Magnetic sensor and magnetic field strength measurement method saturating magnetization of magnetization-free layer | Takakazu Imai | 2012-04-24 |
| 8106897 | Display drive control device and electric device including display device | Takatoshi Uchida, Goro Sakamaki, Yasuhito Kurokawa | 2012-01-31 |
| 7768492 | Display drive control circuit | Goro Sakamaki, Takashi Ohyama, Shigeru Ohta | 2010-08-03 |
| 7317461 | Display drive control device and electric device including display device | Takatoshi Uchida, Goro Sakamaki, Yasuhito Kurokawa | 2008-01-08 |
| 7176870 | Display drive control circuit | Goro Sakamaki, Takashi Ohyama, Shigeru Ohta | 2007-02-13 |
| 7142221 | Display drive control device and electric device including display device | Goro Sakamaki, Takatoshi Uchida, Yasuhito Kurokawa | 2006-11-28 |
| 6829366 | Magnetic circuit and loudspeaker using the same | — | 2004-12-07 |
| 6158109 | Coil manufacturing method using ring shaped spacer | Naoki Shimamura | 2000-12-12 |
| 5937076 | Magnetic drive apparatus and method for manufacturing coil that forms the apparatus | Naoki Shimamura | 1999-08-10 |
| 5909499 | Speaker with magnetic structure for damping coil displacement | — | 1999-06-01 |
| 5778086 | Electronic device connection terminal | — | 1998-07-07 |
| 5715324 | Speaker having magnetic circuit | Nobuo Kakinuma, Shigeki Takei | 1998-02-03 |