Inventor
Hitoshi Tamada
Inventor
Kanagawa, JP
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus29%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
G09GArrangements or circuits for control of indicating devices using static means to present variable information10%
G11BInformation storage based on relative movement between record carrier and transducer8%
H01FMagnets8%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
H01PWaveguides4%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner4%
B82YSpecific uses or applications of nanostructures2%
C30BSingle-crystal growth2%
PatentTitleYear
7,466,470'Aggregate of electronic device chips, electronic device chip, aggregate of diffraction grating light modulators, and diffraction grating light modulator'20087,369,289'Optical modulation device and image display apparatus using the same'20087,072,097'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20067,042,627'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,999,229'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,992,812'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,987,606'Image production apparatus, image display apparatus, image display method and optical modulation device adjustment apparatus'20066,987,616'Light reflection/diffraction device, light reflection/diffraction device array, and image display'20066,934,240'Optical element, optical head and signal reproducing method'20056,813,061'Electrostatic machine element, light diffraction modulation element and image display device'20046,559,937'Inspection apparatus and method'20036,465,810'Semiconductor light emitting device and its manufacturing method'20026,451,492'Inspection apparatus and method'20026,411,420'Electro-optical element, and method of driving and method of manufacturing the same'20026,282,006'Optical communications apparatus and method'20015,748,368'Polarization optical element'19985,732,060'Optical pickup and optical recording medium reproducing apparatus having a wire grid unit'19985,459,807'Optical waveguide device and second harmonic generator using the same'19955,426,310'Method of heat-treating an oxide optical crystal and a heat treatment apparatus for carrying out the same'19955,341,450'LiNbO3 thin film optical waveguide device and process for producing the same'19945,168,388'Optical waveguide device and optical second harmonic generator using the same'19925,150,447'Optical waveguide which is formed by liquid phase epitaxial growth'19925,022,729'Optical waveguide and second harmonic generator'19914,898,440'Optical waveguide device'19904,746,884'YIG thin film microwave apparatus'19884,745,380'YIG thin film microwave apparatus'19884,642,795'Thermomagnetic recording system'19874,612,587'Thermomagnetic recording and reproducing system'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2008Patents assigned to SONY CORP (28)· patent assignee history
1986–1987Based in Kawasaki, JP· patent location history
1988–2008Based in Kanagawa, JP· patent location history
1994Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 28 | 1986–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 25 | 1988–2008 |
| Kawasaki, JP | 2 | 1986–1987 |
| Tokyo, JP | 1 | 1994 |