Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7329053 | Optical transmission device and electronic apparatus | Atsushi Sohmura, Hiroshi Mizuno, Kazuhiro Mitsumoto, Shigeru Umeki | 2008-02-12 |
| 6805597 | Shared electrical and optical transmission equipment of plug-and-jack type, and electronic device equipped therewith | — | 2004-10-19 |
| 6726491 | Jack connector retainer with recesses in vicinity of electrical terminals and opto-electrical jack connectors using such retainer | Takahiko Nakano, Takashi Takaoka | 2004-04-27 |
| 6481902 | Light transmission device | Takashi Takaoka | 2002-11-19 |