Inventor
Tetsuo Sakanaka
Inventor
Sagamihara, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission74%
H04LTransmission of digital information, e.g. telegraphic communication9%
G02BOptical elements, systems or apparatus4%
H04JMultiplex communication4%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
7,489,871'Light detection apparatus and free space optics communication apparatus'20097,346,282'Optical-transmission-space determining apparatus and optical-space transmission apparatus'20087,190,905'Spatial optical communication apparatus'20077,058,307'Free-space optical communication apparatus and free-space optical communication system'20066,968,133'Optical free-space communication apparatus'20056,819,873'Optical free-space communication apparatus'20046,507,424'Optical space communication apparatus'20036,335,811'Optical space communication apparatus'20025,680,241'Optical space communication'19975,627,669'Optical transmitter-receiver'19975,610,748'Optical space communication apparatus sending main signals and an auxiliary signal for controlling the intensity at the receiver'19975,594,580'Optical space communication apparatus'19975,530,577'Two-way optical communication apparatus'19965,500,754'Optical transmitter-receiver'19965,392,148'Optical space communicating apparatus'19955,264,955'Optical space communication apparatus'19935,113,278'Communication system and apparatus using chip signals'19925,105,294'Digital communicating method and apparatus'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2009Patents assigned to CANON KK (17)· patent assignee history
1992–2008Based in Sagamihara, JP· patent location history
2004–2009Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 17 | 1992–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sagamihara, JP | 13 | 1992–2008 |
| Kanagawa, JP | 5 | 2004–2009 |