Inventor
Masataka Ogawa
Inventor
Kanagawa, JP
Overview
Patents· 12 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 transducer12%
C09KMaterials for miscellaneous applications, not provided for elsewhere8%
G02BOptical elements, systems or apparatus8%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G03CPhotosensitive materials for photographic purposes8%
G08CTransmission systems for measured values, control or similar signals8%
H02KDynamo-electric machines8%
H04NPictorial communication, e.g. television8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
A61KPreparations for medical, dental or toiletry purposes4%
PatentTitleYear
9,736,415'Electric device, remote control signal determining program and remote control signal processing method'20179,357,303'Speaker apparatus'20167,166,321'Process for the preparation of an optical compensatory sheet comprising cellulose ester film, orientation layer, and optically anisotropic layer formed of liquid crystal molecules having a fixed alignment'20077,084,944'Optical compensatory sheet comprising a biaxially stretched cellulose acetate film, polarizing plate and liquid crystal display'20065,817,450'Emulsification and dispersion method of hydrophobic, photographically useful compound'19985,650,983'Printed circuit board magnetic head for magneto-optical recording device'19975,534,398'Silver halide photographic material comprising emulsion layer containing color coupler'19965,099,467'Disk-shaped recording medium and apparatus for recording and/or reproducing data thereon'19924,925,717'Disk-shaped recording medium and disk apparatus'19904,728,667'Hair treatment composition for prevention of dandruff in hair'19884,704,566'Self-starting disk-type brushless motor with screw projection for generating cogging'19874,551,645'Disc type brushless motor'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–2007Patents assigned to FUJI PHOTO FILM CO LTD (5)· patent assignee history
1985–1987Based in Atsugi, JP· patent location history
1988Based in Yokohama, JP· patent location history
1990–1997Patents assigned to SONY CORP (3)· patent assignee history
1990–1997Based in Chiba, JP· patent location history
1996–2007Based in Kanagawa, JP· patent location history
2016–2017Patents assigned to YAMAHA CORP (2)· patent assignee history
2016Patents assigned to OGAWA MASATAKA (1)· patent assignee history
2016Patents assigned to OISHI TAKESHI (1)· patent assignee history
2016–2017Based in Hamamatsu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 5 | 1985–2007 |
| SONY CORP | 3 | 1990–1997 |
| YAMAHA CORP | 2 | 2016–2017 |
| OGAWA MASATAKAself | 1 | 2016 |
| OISHI TAKESHI | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 4 | 1996–2007 |
| Chiba, JP | 3 | 1990–1997 |
| Hamamatsu, JP | 2 | 2016–2017 |
| Atsugi, JP | 2 | 1985–1987 |
| Yokohama, JP | 1 | 1988 |