Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE44954 | Audio transmission, recording and reproducing system | Kazunori Ozawa, Masahiro Asai | 2014-06-17 |
| RE42701 | Audio transmission, recording and reproducing system | Kazunori Ozawa, Masahiro Asai | 2011-09-13 |
| RE41544 | Audio transmission, recording and reproducing system | Kazunori Ozawa, Masahiro Asai | 2010-08-17 |
| RE41256 | Audio transmission, recording and reproducing system | Kazunori Ozawa, Masahiro Asai | 2010-04-20 |
| RE41009 | Audio transmission, recording and reproducing system | Kazunori Ozawa, Masahiro Asai | 2009-11-24 |
| 7163599 | Method and apparatus for sticking polarizer to substrate | Katsunori Nagata, Shunsuke Okajima, Kazuya Yoshimura, Koji Ikeda, Yoshihisa Konishi +2 more | 2007-01-16 |
| 6640306 | Data transmitter, data reproduction method, terminal, and method for transferring data transmitter | Toshiyuki Arai | 2003-10-28 |
| 6188677 | Telephone apparatus used for computer network telephone system | Akimasa Oyama, Hidekazu Watanabe, Masahiro Asai, Kazunori Ozawa | 2001-02-13 |
| 6108329 | Telephone apparatus used for computer network telephone system | Akimasa Oyama, Hidekazu Watanabe, Masahiro Asai, Kazunori Ozawa | 2000-08-22 |
| 5870710 | Audio transmission, recording and reproducing system | Kazunori Ozawa, Masahiro Asai | 1999-02-09 |