Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7489871 | Light detection apparatus and free space optics communication apparatus | Yasuhiro Takahashi, Ryuji Ohmuro | 2009-02-10 |
| 7346282 | Optical-transmission-space determining apparatus and optical-space transmission apparatus | Masatoshi Otsubo | 2008-03-18 |
| 7190905 | Spatial optical communication apparatus | — | 2007-03-13 |
| 7058307 | Free-space optical communication apparatus and free-space optical communication system | — | 2006-06-06 |
| 6968133 | Optical free-space communication apparatus | — | 2005-11-22 |
| 6507424 | Optical space communication apparatus | — | 2003-01-14 |
| 6335811 | Optical space communication apparatus | — | 2002-01-01 |
| 5680241 | Optical space communication | Kanjo Orino | 1997-10-21 |
| 5627669 | Optical transmitter-receiver | Kanjo Orino, Yasusaburo Degura, Takehide Hamuro | 1997-05-06 |
| 5610748 | Optical space communication apparatus sending main signals and an auxiliary signal for controlling the intensity at the receiver | Yasuhiro Takahashi | 1997-03-11 |
| 5594580 | Optical space communication apparatus | Takehide Hamuro | 1997-01-14 |
| 5530577 | Two-way optical communication apparatus | Kanjo Orino, Shigeru Oshima | 1996-06-25 |
| 5500754 | Optical transmitter-receiver | Kanjo Orino, Mikio Sakai | 1996-03-19 |
| 5392148 | Optical space communicating apparatus | Yasuhiro Takahashi | 1995-02-21 |
| 5264955 | Optical space communication apparatus | Haruo Imano, Yasusaburo Degura | 1993-11-23 |
| 5113278 | Communication system and apparatus using chip signals | Yasusaburo Degura, Haruo Imano | 1992-05-12 |
| 5105294 | Digital communicating method and apparatus | Yasusaburo Degura, Haruo Imano | 1992-04-14 |