LexDanaLexDanabeta
Inventor

Hitoshi Hirakawa

Inventor
Kawasaki, JP

Overview

46→
Patents
2000–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 46 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H01Jprimary
H01JElectric discharge tubes or discharge lamps47%
G09GArrangements or circuits for control of indicating devices using static means to present variable information39%
G09FDisplaying7%
H05BElectric heating3%
A61LMethods or apparatus for sterilising materials or objects in general2%
G21KHandling of particles or ionising radiation not otherwise provided for2%
PatentTitleYear
11,011,367Light-emitting tube array-type light source device202110,128,100Drive method and drive circuit for light-emitting device using gas discharge, and ultraviolet irradiation device20189,947,526Gas discharge device and flat light source using the same, and driving method therefor20188,816,938'Large-scale display device'20148,330,676'Plasma tube array-type display device and luminance correcting method'20128,310,606'Display device'20128,305,292'Large-scale display device'20128,207,911'Display device'20128,093,812'Plasma tube array-type display sub-module and display device'20128,089,210'Plasma tube array-type display sub-module and display device'20128,076,850'Light emitting tube array, display device employing the light emitting tube array, and method of producing the light emitting tube array'20117,902,735'Gas discharge tube, and display device having gas discharge tube arrays'20117,880,374'Display device including gas discharge tubes sandwiched between a front support member and rear support members'20117,816,850'Display device including gas discharge tubes, and method of manufacturing display device'20107,746,297'Gas discharge display method using both surface and opposing discharges separately to emit light in the sustain period'20107,656,082'Color display device'20107,639,213'Driving circuit of plasma display panel and plasma display panel'20097,629,733'Display device having plurality of curved gas discharge tubes'20097,479,736'Display device with varying phosphor structure'20097,436,375'Method for driving plasma display panel'20087,423,614'Method for driving plasma display panel'20087,371,508'Plasma display panel and method for fabricating the same'20087,336,027'Plasma tube array and gas discharge tube'20087,315,121'Arc tube array-type display device and driving method thereof'20087,298,086'Plasma tube array'20077,282,858'Gas-discharge tube and display apparatus'20077,256,538'AC-driven gas discharge display device having plural thin discharge tubes, plural pairs of display electrodes transverse to the thin display tubes and plural signal electrodes transverse to the display electrodes with light-blocking, electrically conductive films between respective pairs of display electrodes'20077,145,526'Driving circuit of plasma display panel and plasma display panel'20067,142,176'Method of driving plasma display panel'20067,123,217'Method for driving plasma display panel'20067,116,288'Driving method of plasma display panel and display device'20067,071,621'Color plasma display panel with pixels of three colors having adjustable light intensities'20067,006,060'Plasma display panel and method of driving the same capable of providing high definition and high aperture ratio'20067,002,535'Display apparatus'20066,940,475'Method for driving plasma display panel and plasma display device'20056,903,709'Plasma display panel and method of driving the same'20056,900,797'Method for driving PDP and display apparatus'20056,781,564'Display apparatus'20046,713,959'Plasma display panel and method for producing the same'20046,496,166'Display apparatus'20026,400,342'Method of driving a plasma display panel before erase addressing'20026,278,422'Method of driving plasma display panel and display apparatus'20016,211,614'Electrode structure of an AC type plasma display panel'20016,097,358'AC plasma display with precise relationships in regards to order and value of the weighted luminance of sub-fields with in the sub-groups and erase addressing in all address periods'20006,054,970'Method for driving an ac-driven PDP'20006,020,687'Method for driving a plasma display panel'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2006Patents assigned to FUJITSU LTD (11)· patent assignee history
2000–2009Based in Kawasaki, JP· patent location history
2001–2021Based in Takasago, JP· patent location history
2001Based in Akashi, JP· patent location history
2005–2009Patents assigned to FUJITSU HITACHI PLASMA DISPLAY (9)· patent assignee history
2007–2014Patents assigned to SHINODA PLASMA CORP (10)· patent assignee history
2009–2012Patents assigned to SHINODA PLASMA CO LTD (10)· patent assignee history
2009–2012Based in Kobe, JP· patent location history
2011–2012Patents assigned to AWAMOTO KENJI (7)· patent assignee history
2011–2014Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD112000–2006
SHINODA PLASMA CO LTD102009–2012
SHINODA PLASMA CORP102007–2014
FUJITSU HITACHI PLASMA DISPLAY92005–2009
AWAMOTO KENJI72011–2012
Locations
LocationPatentsSpan
Kawasaki, JP242000–2009
Kobe, JP102009–2012
Takasago, JP82001–2021
Hyogo, JP32011–2014
Akashi, JP12001