Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077201 | Optical element manufacturing device and optical element shaping mold set | — | 2018-09-18 |
| 8259157 | Teleconference terminal apparatus and image transmitting method | Takayoshi Kawaguchi | 2012-09-04 |
| 7457534 | Infrared communication system and infrared signal receiving apparatus | Katsuyoshi Tsutsumi, Akira Yaegashi, Takahiro Fujimori | 2008-11-25 |
| 6028904 | Signal converting apparatus and method | Mitsushige Tatami, Hidetoshi Nishimoto | 2000-02-22 |