Inventor · disambiguated record
Mitsuo Takahashi
Also filed as: TAKAHASHI MITSUO · TAKAHASHI RISABURO
110 granted patents·9 pending applications·2,716 citations·filing 1975–2013
99Inventor score
Top patents by PatentIndex Score
119 records- 0198US4979334AOptical fiber end-surface polishing deviceSEIKO GIKEN KK·Filed 1989·Granted Dec 25, 1990·104 cites·16 claims
- 0297US4831784APolishing apparatus for end faces of optical fibersSEIKO GIKEN KK·Filed 1988·Granted May 23, 1989·87 cites·14 claims
- 0393US6840996B2Cement compositionDENKI KAGAKU KOGYO KK·Filed 2001·Granted Jan 11, 2005·53 cites·8 claims
- 0492US5216846AMethod and apparatus for grinding foremost end surface of a ferruleSEIKO GIKEN KK·Filed 1992·Granted Jun 8, 1993·80 cites·16 claims
- 0591US7879863B2Aniline derivativesAJINOMOTO KK·Filed 2006·Granted Feb 1, 2011·36 cites·27 claims
- 0687US5267342ALight attenuating element and method of producing the sameSEIKO GIKEN KK·Filed 1992·Granted Nov 30, 1993·79 cites·22 claims
- 0787US5045499AMethod of manufacturing a distributed brass reflector type semiconductor laserJAPAN RES DEV CORP·Filed 1989·Granted Sep 3, 1991·36 cites·6 claims
- 0886US6335993B1Rotary switch type optical fiber switchSEIKO GIKEN KK·Filed 1999·Granted Jan 1, 2002·74 cites·11 claims
- 0986US5351445AApparatus for grinding end faces of ferrules together with optical fibers each firmly received in ferrulesSEIKO GIKEN KK·Filed 1993·Granted Oct 4, 1994·50 cites·13 claims
- 1086US5265381AMethod for grinding ferrules for ribbon type optical fibersSEIKO GIKEN KK·Filed 1992·Granted Nov 30, 1993·52 cites·14 claims
- 1186US4953941AOptical fiber connecting deviceSEIKO GIKEN KK·Filed 1988·Granted Sep 4, 1990·55 cites·6 claims
- 1286US4309457AProcess of producing multilayer-coated composite powderNIPPON MINING CO·Filed 1979·Granted Jan 5, 1982·38 cites·9 claims
- 1385US6628523B2Casing for electronic control unitDENSO CORP·Filed 2001·Granted Sep 30, 2003·36 cites·8 claims
- 1483US5066094AVariable optical fiber light attenuatorSEIKO GIKEN KK·Filed 1991·Granted Nov 19, 1991·63 cites·9 claims
- 1582US6724959B1Wedged and lensed optical fiberSEIKO GIKEN KK·Filed 2000·Granted Apr 20, 2004·28 cites·6 claims
- 1682US6625187B1Semiconductor optical device and method of manufacturing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Sep 23, 2003·21 cites·14 claims
- 1782US5472334AInjection molding die for injection-molding base boardsSEIKO GIKEN KK·Filed 1993·Granted Dec 5, 1995·47 cites·11 claims
- 1881US5682452AOptical fiber ferrule and optical couplerSEIKO GIKEN KK·Filed 1996·Granted Oct 28, 1997·58 cites·5 claims
- 1981US5127084AVariable light attenuator of multiple-fiber ribbonsSEIKO GIKEN KK·Filed 1991·Granted Jun 30, 1992·54 cites·12 claims
- 2080US5601474APolishing disc of spherical surface polishing device for optical fiber end surface and method for polishing spherical surface of optical fiber end surfaceSEIKO GIKEN KK·Filed 1994·Granted Feb 11, 1997·35 cites·8 claims
- 2179US4909073AApparatus for measuring a resistance against slippage on road surfaceKOMATSU MFG CO LTD·Filed 1988·Granted Mar 20, 1990·42 cites·3 claims
- 2278US5792492AOptical disk molding apparatus equipped with liquid sealing meansSEIKO GIKEN KK·Filed 1996·Granted Aug 11, 1998·59 cites·8 claims
- 2378US5547418AOptical fiber end-surface polishing deviceSEIKO GIKEN KK·Filed 1995·Granted Aug 20, 1996·46 cites·2 claims
- 2477US7330495B2Vertical cavity surface emitting laser diode having a high reflective distributed Bragg reflectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Feb 12, 2008·5 cites·14 claims
- 2577US6793458B2Turbine frame, turbine assembling method and turbine assembling and transporting methodTOSHIBA KK·Filed 2002·Granted Sep 21, 2004·48 cites·12 claims
- 2677US6405602B1Machine for inspecting ceramic samples by applying compression theretoNGK INSULATORS LTD·Filed 2000·Granted Jun 18, 2002·23 cites·4 claims
- 2777US5257334ARibbon type optical fiber connectorSEIKO GIKEN KK·Filed 1992·Granted Oct 26, 1993·45 cites·3 claims
- 2876US6483982B1Reflecting-mirror-type variable optical attenuatorSEIKON GIKEN CO LTD·Filed 2000·Granted Nov 19, 2002·19 cites·10 claims
- 2976US3994960AProcess for preparing dialkyl oxalatesUBE INDUSTRIES·Filed 1975·Granted Nov 30, 1976·31 cites·15 claims
- 3075US8244476B2Hepatic disease-evaluating apparatus, hepatic disease-evaluating method, hepatic disease-evaluating system, hepatic disease-evaluating program and recording mediumZHANG QINGWEI·Filed 2007·Granted Aug 14, 2012·5 cites·42 claims
- 3175US6165055AOptical fiber end surface polishing apparatusSEIKO GIKEN KK·Filed 1999·Granted Dec 26, 2000·38 cites·5 claims
- 3275US4747659AOptical fiber connectorSEIKO GIKEN KK·Filed 1986·Granted May 31, 1988·34 cites·18 claims
- 3374US5285723APrinting apparatus for wire materialJAPAN AIRLINES CO·Filed 1991·Granted Feb 15, 1994·19 cites·19 claims
- 3474US5136681AOptical powder attenuator of variable attenuation typeSEIKO GIKEN KK·Filed 1991·Granted Aug 4, 1992·58 cites·5 claims
- 3573US5677976AOptical attenuation fiber assemblySEIKO GIKEN KK·Filed 1996·Granted Oct 14, 1997·39 cites·17 claims
- 3672US6477292B1Reflection mirror type optical fiber switchSEIKO GIKEN KK·Filed 2000·Granted Nov 5, 2002·14 cites·10 claims
- 3772US5218786AApparatus for grinding ferrules for ribbon type optical fibersSEIKO GIKEN KK·Filed 1992·Granted Jun 15, 1993·28 cites·12 claims
- 3872US4811137ADisk cartridge shutter opening and closing mechanismCOPAL CO LTD·Filed 1987·Granted Mar 7, 1989·20 cites·21 claims
- 3971US6341191B1Variable attenuation type optical power attenuator with latching ratchetSEIKO GIKEN KK·Filed 1999·Granted Jan 22, 2002·36 cites·13 claims
- 4070US6619477B2Pallet and transportation containerFiled 2001·Granted Sep 16, 2003·13 cites·14 claims
- 4170US4805721APower transmitting system for a four-wheel drive vehicleFUJI HEAVY IND LTD·Filed 1987·Granted Feb 21, 1989·25 cites·7 claims
- 4269US4851241AProcess for treating meat with raw soy sauceKIKKOMAN CORP·Filed 1988·Granted Jul 25, 1989·16 cites·4 claims
- 4368US5400421AOptical demultiplexing/multiplexing deviceSEIKO GIKEN KK·Filed 1993·Granted Mar 21, 1995·31 cites·6 claims
- 4468US5321790AOptical attenuator using an optical fiber and method and apparatus for producing the sameSEIKO GIKEN KK·Filed 1992·Granted Jun 14, 1994·29 cites·6 claims
- 4567US6257971B1Apparatus for polishing end surface of optical fibersSEIKO GIKEN KK·Filed 1997·Granted Jul 10, 2001·28 cites·14 claims
- 4667US5692081AFour polarization maintaining optical fiber ferrule and optical coupler using sameSEIKON GIKEN CO LTD·Filed 1996·Granted Nov 25, 1997·33 cites·12 claims
- 4767US5640475AOptical fiber ferrule holding plate for optical fiber end polishing apparatusSEIKO GIKEN CO LTD·Filed 1995·Granted Jun 17, 1997·28 cites·7 claims
- 4867US5140660AOptical connector ferruleSEIKO GIKEN KK·Filed 1990·Granted Aug 18, 1992·30 cites·12 claims
- 4966US5621835AOptical fiber assembly and manufacturing method for the sameSEIKO GIKEN KK·Filed 1995·Granted Apr 15, 1997·28 cites·6 claims
- 5066US5600744AOptical fiber light coupling interface and method for making sameSEIKO GIKEN KK·Filed 1995·Granted Feb 4, 1997·29 cites·4 claims
Showing the top 50 of 119 patent records by PatentIndex Score.
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