Inventor · disambiguated record
Naoki Chinone
Also filed as: CHINONE NAOKI · NAKAMURA SATOSHI
45 granted patents·1,071 citations·filing 1975–1991
99Inventor score
Files withHITACHI LTD45
Top patents by PatentIndex Score
45 records- 0195US4885753ASemiconductor laser device of variable wavelength typeHITACHI LTD·Filed 1988·Granted Dec 5, 1989·69 cites·22 claims
- 0292US5119393ASemiconductor laser device capable of controlling wavelength shiftHITACHI LTD·Filed 1990·Granted Jun 2, 1992·81 cites·21 claims
- 0391US4873691AWavelength-tunable semiconductor laserHITACHI LTD·Filed 1988·Granted Oct 10, 1989·46 cites·21 claims
- 0488US4894835ASurface emitting type semiconductor laserHITACHI LTD·Filed 1988·Granted Jan 16, 1990·40 cites·12 claims
- 0586US5177758ASemiconductor laser device with plural active layers and changing optical propertiesHITACHI LTD·Filed 1991·Granted Jan 5, 1993·54 cites·36 claims
- 0684US4905060ALight emitting device with disordered regionHITACHI LTD·Filed 1988·Granted Feb 27, 1990·45 cites·17 claims
- 0784US4599729ASemiconductor laser device having facets provided with dielectric layersHITACHI LTD·Filed 1984·Granted Jul 8, 1986·28 cites·14 claims
- 0883US4506366ASemiconductor laser deviceHITACHI LTD·Filed 1982·Granted Mar 19, 1985·29 cites·7 claims
- 0982US4665528ADistributed-feedback semiconductor laser deviceHITACHI LTD·Filed 1984·Granted May 12, 1987·25 cites·9 claims
- 1081US4161701ASemiconductor laserHITACHI LTD·Filed 1977·Granted Jul 17, 1979·27 cites·6 claims
- 1180US4775980ADistributed-feedback semiconductor laser deviceHITACHI LTD·Filed 1985·Granted Oct 4, 1988·28 cites·11 claims
- 1279US4813757AOptical switch including bypass waveguideHITACHI LTD·Filed 1987·Granted Mar 21, 1989·42 cites·3 claims
- 1379US4737003AOptical switching device utilizing multiple quantum well structures between intersecting waveguidesHITACHI LTD·Filed 1984·Granted Apr 12, 1988·42 cites·41 claims
- 1478US4601535AOptical coupling system with intermediate coupling mediumHITACHI LTD·Filed 1985·Granted Jul 22, 1986·38 cites·4 claims
- 1576US4740976ASemiconductor laser deviceHITACHI LTD·Filed 1984·Granted Apr 26, 1988·22 cites·13 claims
- 1676US4432091ASemiconductor laser deviceHITACHI LTD·Filed 1982·Granted Feb 14, 1984·20 cites·3 claims
- 1775US5173909AWavelength tunable laser diodeHITACHI LTD·Filed 1991·Granted Dec 22, 1992·37 cites·10 claims
- 1874US4142160AHetero-structure injection laserHITACHI LTD·Filed 1975·Granted Feb 27, 1979·30 cites·2 claims
- 1973US4881235ASemiconductor laser having a multiple quantum well structure doped with impuritiesHITACHI LTD·Filed 1987·Granted Nov 14, 1989·21 cites·40 claims
- 2073US4712218AMethod of and apparatus for driving semiconductor laserHITACHI LTD·Filed 1984·Granted Dec 8, 1987·16 cites·15 claims
- 2173US4315226ASemiconductor laser deviceHITACHI LTD·Filed 1979·Granted Feb 9, 1982·17 cites·15 claims
- 2271US5132981ASemiconductor optical deviceHITACHI LTD·Filed 1990·Granted Jul 21, 1992·31 cites·22 claims
- 2371US4835578ASemiconductor device having a quantum wire and a method of producing the sameHITACHI LTD·Filed 1987·Granted May 30, 1989·26 cites·7 claims
- 2469US4827483ASemiconductor laser device and method of fabricating the sameHITACHI LTD·Filed 1986·Granted May 2, 1989·19 cites·28 claims
- 2568US4881238ASemiconductor laser having quantum well active region doped with impuritiesHITACHI LTD·Filed 1986·Granted Nov 14, 1989·17 cites·51 claims
- 2666US4861130AOptical modulating device utilizing polariton substanceHITACHI LTD·Filed 1987·Granted Aug 29, 1989·23 cites·22 claims
- 2766US4748132AMicro fabrication process for semiconductor structure using coherent electron beamsHITACHI LTD·Filed 1986·Granted May 31, 1988·31 cites·26 claims
- 2866US4121179ASemiconductor injection laserHITACHI LTD·Filed 1977·Granted Oct 17, 1978·15 cites·4 claims
- 2965US5179567ASemiconductor laser device, method of fabricating the same and optical system of utilizing the sameHITACHI LTD·Filed 1991·Granted Jan 12, 1993·21 cites·13 claims
- 3061US4780879ASemiconductor laser device having little astigmatismHITACHI LTD·Filed 1987·Granted Oct 25, 1988·14 cites·23 claims
- 3161US4752934AMulti quantum well laser with parallel injectionHITACHI LTD·Filed 1986·Granted Jun 21, 1988·13 cites·28 claims
- 3258US4630279ABuried heterojunction laserHITACHI LTD·Filed 1983·Granted Dec 16, 1986·11 cites·19 claims
- 3358US4602371AHigh output semiconductor laser device utilizing a mesa-stripe optical confinement regionHITACHI LTD·Filed 1984·Granted Jul 22, 1986·11 cites·24 claims
- 3457US5042049ASemiconductor optical deviceHITACHI LTD·Filed 1990·Granted Aug 20, 1991·19 cites·16 claims
- 3549US5136601ASemiconductor laserHITACHI LTD·Filed 1989·Granted Aug 4, 1992·8 cites·3 claims
- 3648US5073892ASemiconductor laser deviceHITACHI LTD·Filed 1990·Granted Dec 17, 1991·11 cites·21 claims
- 3748US4811354ASemiconductor laserHITACHI LTD·Filed 1986·Granted Mar 7, 1989·8 cites·30 claims
- 3845US4752933ASemiconductor laserHITACHI LTD·Filed 1986·Granted Jun 21, 1988·6 cites·16 claims
- 3943US4797891ASemiconductor laserHITACHI LTD·Filed 1986·Granted Jan 10, 1989·6 cites·22 claims
- 4043US4759030ASemiconductor laserHITACHI LTD·Filed 1986·Granted Jul 19, 1988·6 cites·6 claims
- 4142US4841536ASemiconductor laser devicesHITACHI LTD·Filed 1986·Granted Jun 20, 1989·6 cites·6 claims
- 4236US5170404ASemiconductor laser device suitable for optical communications systems driveHITACHI LTD·Filed 1990·Granted Dec 8, 1992·5 cites·21 claims
- 4335US4563764ASemiconductor laser deviceHITACHI LTD·Filed 1983·Granted Jan 7, 1986·3 cites·6 claims
- 4435US4329658ASemiconductor laser deviceHITACHI LTD·Filed 1979·Granted May 11, 1982·3 cites·11 claims
- 4531US4821275ALaser diodeHITACHI LTD·Filed 1988·Granted Apr 11, 1989·1 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →