Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11864141 | Wireless communication system performing mutual wireless communication between terminals to perform time difference measurement and propagation time measurement | Nobuyasu Shiga, Satoshi Yasuda, Kenichi Takizawa | 2024-01-02 |
| 7176791 | Security verification method and device | Hiroshi Sakaki, Yasunori Ishihara, Toru Fujiwara | 2007-02-13 |
| 6514110 | Deflection yoke adjustment apparatus for a cathode ray tube | Kazumasa Hirayama, Tatsuhiko Asaka | 2003-02-04 |
| 6264520 | Method of and apparatus for sealing color cathode-ray tube | Tatsuya Yamazaki, Shoichi Yokoyama, Kazumasa Hirayama | 2001-07-24 |