Inventor
Hisao Sakurai
Inventor
Saitama, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television26%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%
B66BElevators7%
G02BOptical elements, systems or apparatus7%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H03FAmplifiers7%
G06FElectric digital data processing4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H01PWaveguides4%
H01RElectrically-conductive connections4%
PatentTitleYear
10,157,578Light emitting device driving circuit, display, and A/D conversion circuit20188,827,479'Display device'20148,749,324'Signal transmission apparatus and display apparatus'20148,625,955'Information recording apparatus, information distribution server, information recording system and information recording method'20148,406,830'Radio frequency signal transmission system, radio frequency signal transmission connector and radio frequency signal transmission cable'20138,269,724'Capacitive detecting apparatus and display unit with a patterned conductive layer'20127,903,082'Control device and control method, and planar light source and control method of planar light source'20116,777,906'Method of controlling induction motor'20046,700,347'Speed varying device'20046,563,496'Cut-off adjusting apparatus'20036,335,870'Inverter apparatus having a separate controlling application program for performing specification dependent control'20026,194,864'Control device for induction motor'20015,723,968'Variable speed system'19985,694,084'Wide-band amplifier circuits'19975,539,425'Display unit'19965,293,101'Driving circuit apparatus for CRT'19945,180,989'Wideband amplifier'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2018Patents assigned to SONY CORP (12)· patent assignee history
1993–1996Based in Kanagawa, JP· patent location history
1997–2018Based in Saitama, JP· patent location history
1998–2004Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
1998Based in Nagoya, JP· patent location history
2001–2004Based in Tokyo, JP· patent location history
2012–2014Patents assigned to SAKURAI HISAO (5)· patent assignee history
2014Patents assigned to KOBAYASHI IZUSHI (2)· patent assignee history
2014Patents assigned to ITO KATSUHISA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 12 | 1993–2018 |
| MITSUBISHI ELECTRIC CORP | 5 | 1998–2004 |
| SAKURAI HISAOself | 5 | 2012–2014 |
| KOBAYASHI IZUSHI | 2 | 2014 |
| ITO KATSUHISA | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 9 | 1997–2018 |
| Tokyo, JP | 4 | 2001–2004 |
| Kanagawa, JP | 3 | 1993–1996 |
| Nagoya, JP | 1 | 1998 |