Inventor
Yasunori Kanazawa
Inventor
Hachioji, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer46%
H04NPictorial communication, e.g. television7%
B82YSpecific uses or applications of nanostructures4%
C01BNon-metallic elements4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G02BOptical elements, systems or apparatus4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
H01LSemiconductor devices4%
H04HBroadcast communication4%
PatentTitleYear
10,991,868Thermoelectric conversion element20218,301,024'Camera flash, a camera, and a method of generating a flash'20127,782,737'Optical integrated unit and optical pickup apparatus including the same'20105,007,039'Optical information recording/reproducing apparatus'19914,959,744'Shutter assembled disc cartridge'19904,811,151'Shutter assembled disc cartridge'19894,799,123'Disc cartridge'19894,740,948'Disc cartridge'19884,733,388'Information recording disc'19884,703,408'Apparatus and record carrier for optically writing information'19874,678,338'Color sensor'19874,539,615'Azimuthal magnetic recording and reproducing apparatus'19854,472,686'Circuit for reproducing and demodulating modulated digital signals'19844,363,039'Automatic operation control apparatus for a PCM recording and reproducing system'19824,282,551'PCM Recording and reproducing apparatus'19814,227,221'PCM Recording apparatus'19803,979,721'Pulse code modulation recording and reproducing apparatus'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to HITACHI LTD (11)· patent assignee history
1976–1991Based in Hachioji, JP· patent location history
1987–1991Patents assigned to HITACHI MAXELL (8)· patent assignee history
1987–1988Based in Hachiouji, JP· patent location history
2010–2012Patents assigned to SHARP KK (2)· patent assignee history
2010Based in Sakurai, JP· patent location history
2012Patents assigned to KANAZAWA YASUNORI (1)· patent assignee history
2012Based in Osaka, JP· patent location history
2021Patents assigned to FUJIFILM CORP (1)· patent assignee history
2021Based in Ashigarakami-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 11 | 1976–1990 |
| HITACHI MAXELL | 8 | 1987–1991 |
| SHARP KK | 2 | 2010–2012 |
| FUJIFILM CORP | 1 | 2021 |
| KANAZAWA YASUNORIself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hachioji, JP | 11 | 1976–1991 |
| Hachiouji, JP | 2 | 1987–1988 |
| Ashigarakami-gun, JP | 1 | 2021 |
| Osaka, JP | 1 | 2012 |
| Sakurai, JP | 1 | 2010 |