Inventor
Iwao Ohwada
Inventor
Nagoya, JP
Overview
Patents· 56 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps17%
G09GArrangements or circuits for control of indicating devices using static means to present variable information15%
B82YSpecific uses or applications of nanostructures9%
G02BOptical elements, systems or apparatus9%
H10NElectric solid-state devices not otherwise provided for5%
F04BPositive-displacement machines for liquids3%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy3%
F21VFunctional features or details of lighting devices or systems thereof2%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted2%
H02JElectric power networks2%
PatentTitleYear
11,112,086Phosphor element and lighting device202111,114,595Optical component and transparent body202111,105,486Optic and illumination device202111,014,855Transparent AlN sintered body and method for producing the same202110,995,934Optical component including a translucent substrate for adjustable light scattering and lighting device including the same202110,950,858IC power source, various IC products provided with same, method for supplying power to IC, and method for driving IC202110,581,114Battery-equipped device20209,685,680'Method of using all-solid-state battery'20179,431,067'Volatile memory backup system including all-solid-state battery'20167,719,201'Microdevice, microdevice array, amplifying circuit, memory device, analog switch, and current control unit'20107,713,366'Piezoelectric/electrostrictive film and method for producing the same'20107,651,655'Production methods of dielectric layer and dielectric element, dielectric element, and piezoelectric transformer'20107,635,944'Electron-emitting device and method for manufacturing same'20097,528,539'Electron emitter and method of fabricating electron emitter'20097,518,131'Electron beam irradiating apparatus'20097,474,060'Light source'2009RE040489'Display-driving device and display-driving method performing gradation control based on a temporal modulation system'20087,379,037'Display apparatus, method of driving display apparatus, electron emitter, method of driving electron emitter, apparatus for driving electron emitter, electron emission apparatus, and method of driving electron emission apparatus'20087,336,026'High efficiency dielectric electron emitter'20087,307,383'Electron emitter and method of producing the same'20077,304,440'Electron-emitting apparatus'20077,288,881'Electron emitter and light emission element'20077,230,371'Light source'20077,187,114'Electron emitter comprising emitter section made of dielectric material'20077,176,609'High emission low voltage electron emitter'20077,129,642'Electron emitting method of electron emitter'20067,109,962'Display device'20067,088,049'Electron-emitting device and field emission display using the same'20067,071,628'Electronic pulse generation device'20067,067,970'Light emitting device'20067,006,061'Display device'20066,975,074'Electron emitter comprising emitter section made of dielectric material'20056,946,800'Electron emitter, method of driving electron emitter, display and method of driving display'20056,937,034'Absolute value calculating element for converting AC signals into DC signals'20056,936,972'Electron-emitting element and field emission display using the same'20056,897,620'Electron emitter, drive circuit of electron emitter and method of driving electron emitter'20056,753,998'Optical system of display'20046,702,196'Circuit for driving liquid drop spraying apparatus'20046,690,344'Method and apparatus for driving device and display'20046,682,318'Pump'20046,666,658'Microfluidic pump device'20036,565,331'Pump'20036,549,437'Voltage converter'20036,545,421'Current controlling element'20036,528,925'Piezoelectric/electrostrictive element driving circuit'20036,508,411'Method of driving liquid-drop spraying device'20036,483,492'Display-driving device and display-driving method performing gradation control based on a temporal modulation system'20026,476,336'Current controlling element'20026,452,583'Display-driving device and display-driving method'20026,434,028'DC to DC converter'20026,366,152'Vector-signal processing circuit'20026,323,833'Optical waveguide display with movable actuators which cause light leakage in waveguide at each display elements to provide gradation in a display image by temporal subfield modulation'20016,281,868'Display'20016,226,080'Method for detecting defect of transparent body, method for producing transparent body'20016,211,853'Optical waveguide display with voltage-modulated controlled movable actuators which cause light leakage in waveguide at each display element to provide gradation in a display image'20015,862,275'Display device'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2021Patents assigned to NGK INSULATORS LTD (56)· patent assignee history
1999–2021Based in Nagoya, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NGK INSULATORS LTD | 56 | 1999–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagoya, JP | 56 | 1999–2021 |