Inventor
Yasuo Yamagishi
Inventor
Kawasaki, JP
Overview
Patents· 51 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits21%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
B23KSoldering or unsoldering9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
G02BOptical elements, systems or apparatus5%
Y10TTechnical subjects covered by former us classification4%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis3%
C11DDetergent compositions2%
G01RMeasuring electric variables2%
PatentTitleYear
7,678,695'Circuit substrate and method for fabricating the same'20107,595,228'Method for manufacturing electronic component-mounted board'20097,557,014'Semiconductor system-in-package'20097,449,900'Probe card and testing method of semiconductor chip, capacitor and manufacturing method thereof'20087,359,594'Optical waveguide structure and optical module'20087,351,361'Conductive particles, conductive composition, electronic device, and electronic device manufacturing method'20087,211,899'Circuit substrate and method for fabricating the same'20077,176,556'Semiconductor system-in-package'20077,149,372'Optical device'20067,139,176'Circuit substrate and method for fabricating the same'20067,102,367'Probe card and testing method of semiconductor chip, capacitor and manufacturing method thereof'20067,097,366'Method for production of optical module and optical module'20067,099,534'Optical transmission device with optical waveguide coupled to optical device'20067,043,098'Optical device'20067,025,906'Conductive particles, conductive composition, electronic device, and electronic device manufacturing method'20066,947,625'Optical deflector and optical switch'20056,943,447'Thin film multi-layer wiring substrate having a coaxial wiring structure in at least one layer'20056,894,396'Semiconductor device with capacitor'20056,879,739'Optical deflector and optical switch'20056,846,549'Multilayer printed wiring board'20056,806,118'Electrode connection method, electrode surface activation apparatus, electrode connection apparatus, connection method of electronic components and connected structure'20046,768,205'Thin-film circuit substrate'20046,662,345'Method and apparatus for designing printed-circuit board'20036,596,094'Solder paste and electronic device'20036,580,169'Method for forming bumps, semiconductor device, and solder paste'20036,528,346'Bump-forming method using two plates and electronic device'20036,518,163'Method for forming bumps, semiconductor device, and solder paste'20036,504,966'Optical deflecting element, optical switch module, light signal switching device'20036,319,810'Method for forming solder bumps'20016,140,286'Defluxing agent cleaning method and cleaning apparatus'20006,050,479'Defluxing agent cleaning method and cleaning apparatus'20006,025,258'Method for fabricating solder bumps by forming solder balls with a solder ball forming member'20005,784,081'Method of and apparatus for cleaning ink jet head'19985,695,571'Cleaning method using a defluxing agent'19975,643,831'Process for forming solder balls on a plate having apertures using solder paste and transferring the solder balls to semiconductor device'19975,633,121'Method for examining surface of copper layer in circuit board and process for producing circuit board'19975,566,008'Polymer dispersed liquid crystal display device manufactured by an oblique light irradiation method'19965,482,174'Method for removing copper oxide on the surface of a copper film and a method for patterning a copper film'19965,393,631'Toner carriers for electrophotographic printers'19955,386,430'Excimer laser processing method and apparatus'19955,349,155'Insulating material for wiring substrate and method of producing multi-layered wiring substrate'19945,313,043'Method and apparatus for laser machining'19945,278,684'Parallel aligned chiral nematic liquid crystal display element'19945,231,440'Method of and apparatus for forming volume type phase hologram'19935,189,535'Liquid crystal display element and method for driving same'19935,154,994'Method of and apparatus for forming volume type phase hologram'19924,948,427'Process for preparing ink for ink jet printer'19904,832,461'Projection-type multi-color liquid crystal display device'19894,812,034'Projection type liquid crystal display device'19894,791,039'Visible ray-recording hologram material'19884,699,863'Electrophotographic flash fixation process employing toner having improved light absorption properties and toner therefor'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2010Patents assigned to FUJITSU LTD (50)· patent assignee history
1987–1994Based in Zama, JP· patent location history
1994–2010Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 50 | 1987–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 42 | 1994–2010 |
| Zama, JP | 9 | 1987–1994 |