Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11954292 | Input device and input system | Yuta Saito, Kenichi Matsumoto, Ryo Nakae | 2024-04-09 |
| 11909389 | Input device and input system | Yuta Saito, Kenichi Matsumoto, Ryo Nakae | 2024-02-20 |
| 11460932 | Input device and input system | Yuta Saito, Ryo Nakae, Kenichi Matsumoto | 2022-10-04 |
| 7180453 | Antenna for portable cellular telephone | Yoshinobu Nakagawa, Koji Sako, Kazumine Koshi, Naoyuki Takagi | 2007-02-20 |
| 6177911 | Mobile radio antenna | Naoki Yuda, Koichi Ogawa, Yasuhiro Otomo, Hiroyuki Nakamura | 2001-01-23 |
| 6147661 | Helical coil, method of producing same and helical antenna using same | Yoshinobu Nakagawa, Susumu Inatsugu, Kazuji Ota, Yoshiharu Abe, Koji Sako +1 more | 2000-11-14 |
| 5969690 | Mobile radio antenna | Koichi Ogawa, Naoki Yuda | 1999-10-19 |