Inventor
Mitsuo Sekiguchi
Inventor
Gunma, JP
Overview
Patents· 23 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 transducer67%
H01PWaveguides11%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
F21SNon-portable lighting devices4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G02BOptical elements, systems or apparatus4%
H01LSemiconductor devices4%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
PatentTitleYear
10,982,135Phosphor-containing film and backlight unit20217,983,126'Optical-information recording apparatus and method and signal processing circuit'20117,965,600'Data recording evaluation method and optical disk recording and reproduction device'20117,760,605'Optical information recording device, optical information recording method, and signal processing circuit'20107,755,993'Optical information recording reproduction device'20107,738,336'Apparatus and method for optical information recording and reproducing'20107,738,337'Optical information recording device, optical information recording method, and signal processing circuit'20107,693,016'Optical recording method, optical recording apparatus, one-chip CPU device, and computer program'20107,684,302'Optical information recording device, optical information recording method, and signal processing circuit'20107,660,218'Optical recording method, evaluation indicator acquiring method, optical recording apparatus, micro CPU device, and computer program'20107,652,961'Optical information recording method and optical information regeneration recorder, and signal processing circuit, and recording reproduction program and information recording medium'20107,649,826'Optical information recording reproduction device'20107,639,578'Optical recording apparatus'20097,599,265'Recording method, recording apparatus, and signal processing circuit for recording information on optical recording medium'20097,542,394'Optical information recording device for detecting information during recording and method therefor'20097,496,014'Optical information recording apparatus and method and processing circuit'20096,990,049'Optical information recording medium, method for recording/reproducing the same, and optical pickup'20066,874,156'Optical information recording medium'20056,792,613'Optical information recording medium'20045,228,973'Sample diluent for measurement with ion-selective electrodes and method of using the same'19934,320,368'Filter for microwaves'19824,280,113'Filter for microwaves'19814,275,369'Filter for microwaves'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1982Patents assigned to ALPS ELECTRIC CO LTD (3)· patent assignee history
1981–1982Based in Soma, JP· patent location history
1993–2009Patents assigned to SEKIGUCHI MITSUO (2)· patent assignee history
1993Patents assigned to HITACHI LTD (1)· patent assignee history
1993Based in Sakado-shi, JP· patent location history
2004–2011Patents assigned to TAIYO YUDEN KK (17)· patent assignee history
2004–2011Based in Gunma, JP· patent location history
2005Based in Tano-gun, JP· patent location history
2021Patents assigned to FUJIFILM CORP (1)· patent assignee history
2021Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAIYO YUDEN KK | 17 | 2004–2011 |
| ALPS ELECTRIC CO LTD | 3 | 1981–1982 |
| SEKIGUCHI MITSUOself | 2 | 1993–2009 |
| FUJIFILM CORP | 1 | 2021 |
| HITACHI LTD | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gunma, JP | 17 | 2004–2011 |
| Soma, JP | 3 | 1981–1982 |
| Kanagawa, JP | 1 | 2021 |
| Tano-gun, JP | 1 | 2005 |
| Sakado-shi, JP | 1 | 1993 |