Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11395067 | Microphone-loudspeaker integrated apparatus and vehicle | Keizoh Kawaguchi, Kunito Takahashi | 2022-07-19 |
| 9738254 | Tire theft alarm system | — | 2017-08-22 |
| 8896492 | Deformed folded dipole antenna, method of controlling impedance of the same, and antenna device including the same | Shiro Koide, Katsuhiro Ohara, Seishin Mikami, Masaaki Hisada | 2014-11-25 |
| 8736501 | Multi-band antenna | Takafumi Nishi, Yuji Sugimoto, Masayuki Nakabuchi | 2014-05-27 |
| 8605002 | Antenna device including helical antenna | Takafumi Nishi, Akira Takaoka, Shiro Koide | 2013-12-10 |
| 8242964 | Helical antenna and in-vehicle antenna including the helical antenna | Takafumi Nishi, Akira Takaoka, Shiro Koide | 2012-08-14 |