Inventor
Akio Ichikawa
Inventor
Tokyo, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Jprimary
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light18%
G01MTesting static or dynamic balance of machines or structures18%
G06FElectric digital data processing11%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light11%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
H04NPictorial communication, e.g. television7%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
G01BMeasuring length, thickness or similar linear dimensions4%
G01SRadio direction-finding4%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
9,064,095'Content use control device, recording device, reproduction device, recording medium, and content use control method'20158,307,448'Storage device, storage method, and image display device'20128,170,399'Recording device and method'20128,108,314'Content use control device, recording device, reproduction device, recording medium, and content use control method'20126,693,714'Position sensor for movable body and optical interferometer'20046,690,977'Data processor and data processing method for wavemeter'20046,643,603'Chromatic dispersion distribution measurement apparatus and method for the same'20036,594,019'Data processor and data processing method for wavemeter'20036,594,005'Chromatic dispersion distribution measurement apparatus, method and storage medium for the same'20036,593,727'Data processor and data processing method for wavemeter'20036,580,500'Chromatic dispersion distribution measurement apparatus and method for the same'20036,580,499'Chromatic dispersion distribution measurement apparatus and method for the same'20036,570,658'Optical part driving device incorporated into a detachable block and optical interferometer including same'20036,504,613'Optical interferometer with a casing and an optical part that is movable with respect to the casing'20036,108,465'Optical pulse generator'20006,101,021'Optical pulse generator'20005,383,210'Optical phase locked loop circuit'19955,191,387'Polarization control system'19935,159,400'Apparatus for testing optical fiber by using detector having virtually broadened dynamic range'19924,253,930'Process for electrodepositing cationic compositions'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–2004Patents assigned to ANDO ELECTRIC (15)· patent assignee history
1992–2004Based in Tokyo, JP· patent location history
2003–2004Patents assigned to FK KOGAKU KENKYUSHO KK (3)· patent assignee history
2003Based in Hamamatsu, JP· patent location history
2003–2004Based in Kanagawa, JP· patent location history
2003Based in Kawagawa, JP· patent location history
2012–2015Patents assigned to ICHIKAWA AKIO (4)· patent assignee history
2012–2015Patents assigned to SHARP KK (4)· patent assignee history
2012–2015Patents assigned to SHIMIZU YUKITAKA (4)· patent assignee history
2012–2015Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANDO ELECTRIC | 15 | 1992–2004 |
| ICHIKAWA AKIOself | 4 | 2012–2015 |
| SHARP KK | 4 | 2012–2015 |
| SHIMIZU YUKITAKA | 4 | 2012–2015 |
| FK KOGAKU KENKYUSHO KK | 3 | 2003–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 1992–2004 |
| Chiba, JP | 4 | 2012–2015 |
| Hamamatsu, JP | 4 | 2003 |
| Kanagawa, JP | 2 | 2003–2004 |
| Kawagawa, JP | 1 | 2003 |