Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8635072 | Information communication using majority logic for machine control signals extracted from audible sound signals | Satoshi Iwaki, Akira Nakayama, Ikuo Kitagishi, Yukihiro Nakamura | 2014-01-21 |
| 7949519 | Information communication apparatus, transmission apparatus and receiving apparatus | Satoshi Iwaki, Akira Nakayama, Ikuo Kitagishi, Yukihiro Nakamura | 2011-05-24 |
| 7657435 | Acoustic signal transmission method and apparatus with insertion signal | Satoshi Iwaki, Akira Nakayama, Ikuo Kitagishi, Yukihiro Nakamura | 2010-02-02 |
| 6947893 | Acoustic signal transmission with insertion signal for machine control | Satoshi Iwaki, Akira Nakayama, Ikuo Kitagishi, Yukihiro Nakamura | 2005-09-20 |