Inventor
Sakae Horyu
Inventor
Yokohama, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions21%
G01DMeasuring not specially adapted for a specific variable21%
G06FElectric digital data processing16%
G09BEducational or demonstration appliances11%
H04MTelephonic communication11%
B41JTypewriters5%
G11BInformation storage based on relative movement between record carrier and transducer5%
H01HElectric switches5%
H04NPictorial communication, e.g. television5%
PatentTitleYear
7,375,820'Interference measuring apparatus for detecting a plurality of stable phase difference signals'20087,034,947'Compact interference measuring apparatus for detecting the magnitude and direction of positional deviation'20066,674,066'Encoder'20046,657,181'Optical element used in compact interference measuring apparatus detecting plurality of phase difference signals'20036,618,218'Displacement detecting apparatus and information recording apparatus'20036,473,184'Interferometer which divides light beams into a plurality of beams with different optical paths'20024,972,501'Image processing apparatus'19904,651,299'Data processing apparatus'19874,587,663'Conversation device with space and feed movement related to actuation time of control key'19864,421,950'Communication device having coupling means'19834,409,437'Apparatus for indicating telephone line state'19834,375,060'Electronic apparatus having special key'19834,261,042'Key signal entering device for thin electronic apparatus'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–2008Patents assigned to CANON KK (13)· patent assignee history
1981–1986Based in Yokohama, JP· patent location history
1987–1990Based in Hachiohji, JP· patent location history
2002–2004Based in Hachioji, JP· patent location history
2006–2008Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 13 | 1981–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1981–1986 |
| Hachioji, JP | 4 | 2002–2004 |
| Tokyo, JP | 2 | 2006–2008 |
| Hachiohji, JP | 2 | 1987–1990 |