Inventor
Hideaki Ohki
Inventor
Yokohama, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information53%
H04NPictorial communication, e.g. television22%
H01JElectric discharge tubes or discharge lamps6%
A47LDomestic washing or cleaning3%
B62BHand-propelled vehicles, e.g. hand carts or perambulators3%
H01RElectrically-conductive connections3%
H03KPulse technique3%
H04MTelephonic communication3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%
H05KPrinted circuits3%
PatentTitleYear
8,704,735'Display method of plasma display apparatus and plasma display apparatus'20148,405,577'White balance correction circuit and correction method for display apparatus that displays color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals'20138,223,174'White balance correction circuit and correction method for display apparatus that displays color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals'20128,203,509'Plasma display device and capacitive load driving circuit'20128,035,578'White balance correction circuit and correction method for display apparatus that display color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals'20117,978,153'Plasma display device'20117,768,480'Plasma display device and capacitive load driving circuit'20107,439,941'White balance correction circuit and correction method for display apparatus that displays color image by controlling number of emissions or intensity thereof in accordance with plurality of primary color video signals'20087,242,399'Capacitive load drive circuit and plasma display apparatus'20077,239,294'Plasma display device'20077,230,587'Plasma display device'20077,173,581'Plasma display apparatus'20077,098,875'Display device'20067,084,839'Pre-drive circuit, capacitive load drive circuit and plasma display apparatus'20067,079,090'Driving method for a plasma display panel and plasma display apparatus'20066,940,559'Color reproduction correction circuit for color representation and a color display'20056,781,322'Capacitive load drive circuit and plasma display apparatus'20046,753,930'Color reproduction correction circuit for color representation and a color display'20046,621,234'Plasma display device with alternately arranged sustain electrodes'20035,418,575'Color display apparatus having compensating unit'19955,381,185'Method and apparatus for correcting flesh color'19955,319,448'Method and apparatus for correcting color reproduction'19945,293,223'Time-dividing method and circuit, and television white balance control utilizing such circuit'19945,134,465'Color detecting circuit'19924,994,915'Aperture correction circuit'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2013Patents assigned to HITACHI LTD (9)· patent assignee history
1991–1995Based in Fujisawa, JP· patent location history
2003–2011Patents assigned to FUJITSU HITACHI PLASMA DISPLAY (15)· patent assignee history
2003–2014Based in Yokohama, JP· patent location history
2010–2012Based in Tokyo, JP· patent location history
2012–2014Patents assigned to OHKI HIDEAKI (4)· patent assignee history
2012–2014Patents assigned to KIMURA YUICHIRO (3)· patent assignee history
2012–2014Patents assigned to KUMAKURA KEN (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU HITACHI PLASMA DISPLAY | 15 | 2003–2011 |
| HITACHI LTD | 9 | 1991–2013 |
| OHKI HIDEAKIself | 4 | 2012–2014 |
| KIMURA YUICHIRO | 3 | 2012–2014 |
| KUMAKURA KEN | 3 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 16 | 2003–2014 |
| Fujisawa, JP | 6 | 1991–1995 |
| Tokyo, JP | 3 | 2010–2012 |