Inventor · disambiguated record
Takeshi Ishitsuka
Also filed as: ISHITSUKA TAKESHI
21 granted patents·5 pending applications·973 citations·filing 1987–2016
97Inventor score
Top patents by PatentIndex Score
26 records- 0195US5835646AActive optical circuit sheet or active optical circuit board, active optical connector and optical MCM, process for fabricating optical waveguide, and devices obtained therebyFUJITSU LTD·Filed 1996·Granted Nov 10, 1998·193 cites·9 claims
- 0293US6693736B1Optical circuit system and components of sameFUJITSU LTD·Filed 2000·Granted Feb 17, 2004·61 cites·7 claims
- 0392US5917980AOptical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit deviceFUJITSU LTD·Filed 1993·Granted Jun 29, 1999·98 cites·21 claims
- 0487US6215585B1Optical circuit system and components of same technical fieldFUJITSU LTD·Filed 1998·Granted Apr 10, 2001·80 cites·14 claims
- 0587US5757989AOptical circuit system capable of producing optical signal having a small fluctuation and components of sameFUJITSU LTD·Filed 1993·Granted May 26, 1998·80 cites·7 claims
- 0686US5658966AMethod of coupling optical parts and refractive index imaging materialFUJITSU LTD·Filed 1995·Granted Aug 19, 1997·48 cites·2 claims
- 0784US5902715AMethod of forming a mirror in a waveguideFUJITSU LTD·Filed 1997·Granted May 11, 1999·54 cites·8 claims
- 0882US6486235B2Composition of epoxy resin, curing agent, phosphate of resorcinol, Al (OH)FUJITSU LTD·Filed 2000·Granted Nov 26, 2002·25 cites·13 claims
- 0981US6081632AMethod of producing optical waveguide system, optical device and optical coupler employing the same, optical network and optical circuit boardFUJITSU LTD·Filed 1997·Granted Jun 27, 2000·141 cites·25 claims
- 1077US5581646AMethod of coupling optical parts and refractive index imaging materialFUJITSU LTD·Filed 1995·Granted Dec 3, 1996·36 cites·31 claims
- 1176US6017681AMethod of coupling optical parts and method of forming a mirrorFUJITSU LTD·Filed 1995·Granted Jan 25, 2000·39 cites·3 claims
- 1271US6846549B2Multilayer printed wiring boardFUJITSU LTD·Filed 2001·Granted Jan 25, 2005·14 cites·15 claims
- 1368US5818983AOptical integrated circuit, optical circuit waveguide device and process for oriented, selective growth and formation of organic filmFUJITSU LTD·Filed 1996·Granted Oct 6, 1998·37 cites·50 claims
- 1466US8314339B2Circuit board with kneaded conductive pasteKITAJIMA MASAYUKI·Filed 2009·Granted Nov 20, 2012·4 cites·9 claims
- 1565US6338975B1Optical circuit device, its manufacturing process and a multilayer optical circuit using said optical circuit deviceFUJITSU LTD·Filed 1999·Granted Jan 15, 2002·26 cites·43 claims
- 1657US5861444ARefractive index imaging materialFUJITSU LTD·Filed 1997·Granted Jan 19, 1999·15 cites·1 claims
- 1755US5154994AMethod of and apparatus for forming volume type phase hologramFUJITSU LTD·Filed 1989·Granted Oct 13, 1992·12 cites·18 claims
- 1848US6916539B2Halogen-free, flame-retardant insulating epoxy resin composition and circuit board comprising insulation layer formed thereofFUJITSU LTD·Filed 2002·Granted Jul 12, 2005·2 cites·29 claims
- 1948US2009044972A1Circuit board, method of forming wiring pattern, and method of manufacturing circuit boardFUJITSU LTD KAWASAKI JAPAN·Filed 2008·Application pending·0 cites
- 2041US10008436B2Semiconductor deviceFUJITSU LTD·Filed 2016·Granted Jun 26, 2018·0 cites·9 claims
- 2141US2010244274A1Wiring boardFUJITSU LTD·Filed 2010·Application pending·0 cites
- 2240US2013161712A1Semiconductor deviceFUJITSU LTD·Filed 2012·Application pending·0 cites
- 2340US2013181270A1Semiconductor device and method for manufacturing semiconductor deviceFUJITSU LTD·Filed 2012·Application pending·0 cites
- 2439US5231440AMethod of and apparatus for forming volume type phase hologramFUJITSU LTD·Filed 1992·Granted Jul 27, 1993·7 cites·6 claims
- 2536US2017053914A1Semiconductor device and fabrication method thereforFUJITSU LTD·Filed 2016·Application pending·0 cites
- 2631US4791039AVisible ray-recording hologram materialFUJITSU LTD·Filed 1987·Granted Dec 13, 1988·1 cites·9 claims
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