Inventor
Tetsuro Minemura
Inventor
Hitachioota, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein20%
C03CChemical composition of glasses, glazes or vitreous enamels9%
G02BOptical elements, systems or apparatus9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
H04NPictorial communication, e.g. television9%
G11BInformation storage based on relative movement between record carrier and transducer7%
H05KPrinted circuits5%
H10DInorganic electric semiconductor devices5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C22CAlloys4%
PatentTitleYear
7,391,568'Luminous intensity distribution control device and display having the same'20087,173,760'Luminous intensity distribution control device and display having the same'20076,943,947'Luminous intensity distribution control device and display having the same'20056,844,968'Luminous intensity distribution control device and display having the same'20056,831,413'Plasma display panel'20046,816,134'Plasma display panel'20046,650,472'Luminous intensity distribution control device and display having the same'20036,587,164'Active matrix type liquid crystal display device having chromium alloy connecting portions which are other than the material of the data line or gate line'20036,456,267'Liquid crystal display'20026,226,060'Active matrix type liquid crystal display device having chromium alloy connecting portions at pixel electrode or near driving circuit terminals'20016,115,017'Liquid crystal display apparatus'20005,760,854'Liquid crystal display apparatus'19985,668,379'Active matrix crystal display apparatus using thin film transistor'19975,552,909'Active matrix liquid-crystal display device having ITO signal lines and either a symmetric TFT structure or electrode and signal line edges with taper angles .ltoreq.30.degree.'19964,950,173'Service temperature connector and packaging structure of semiconductor device employing the same'19904,773,059'Information recording and reproducing apparatus having recording medium made of alloy which has at least two different crystalline structures in its solid state'19884,743,526'Alloy having variable spectral reflectance and information recording material making use of the same'19884,726,858'Recording material'19884,651,172'Information recording medium'19874,614,692'Fuel cell electrode, process for producing the same and fuel cell using the same'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2008Patents assigned to HITACHI LTD (20)· patent assignee history
1986–1990Based in Hitachi, JP· patent location history
1996–2004Based in Hitachiota, JP· patent location history
1997–2008Based in Hitachioota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 20 | 1986–2008 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachioota, JP | 10 | 1997–2008 |
| Hitachi, JP | 6 | 1986–1990 |
| Hitachiota, JP | 4 | 1996–2004 |