Inventor · disambiguated record
Akio Ichikawa
Also filed as: ICHIKAWA AKIO
20 granted patents·4 pending applications·147 citations·filing 1979–2009
94Inventor score
Top patents by PatentIndex Score
24 records- 0175US8307448B2Storage device, storage method, and image display deviceSHIMIZU YUKITAKA·Filed 2005·Granted Nov 6, 2012·5 cites·6 claims
- 0270US6643603B2Chromatic dispersion distribution measurement apparatus and method for the sameANDO ELECTRIC·Filed 2002·Granted Nov 4, 2003·14 cites·9 claims
- 0369US5191387APolarization control systemANDO ELECTRIC·Filed 1991·Granted Mar 2, 1993·34 cites·2 claims
- 0463US6580500B2Chromatic dispersion distribution measurement apparatus and method for the sameANDO ELECTRIC·Filed 2002·Granted Jun 17, 2003·10 cites·18 claims
- 0559US8170399B2Recording device and methodSHIMIZU YUKITAKA·Filed 2005·Granted May 1, 2012·2 cites·15 claims
- 0654US6594005B2Chromatic dispersion distribution measurement apparatus, method and storage medium for the sameANDO ELECTRIC·Filed 2002·Granted Jul 15, 2003·6 cites·11 claims
- 0754US4253930AProcess for electrodepositing cationic compositionsNIPPON PAINT CO LTD·Filed 1979·Granted Mar 3, 1981·12 cites·15 claims
- 0853US6504613B1Optical interferometer with a casing and an optical part that is movable with respect to the casingANDO ELECTRIC·Filed 2000·Granted Jan 7, 2003·4 cites·16 claims
- 0952US2011058788A1Recording/playback deviceASAO KAZUHISA·Filed 2009·Application pending·0 cites
- 1051US9064095B2Content use control device, recording device, reproduction device, recording medium, and content use control methodSHIMIZU YUKITAKA·Filed 2009·Granted Jun 23, 2015·0 cites·6 claims
- 1151US6580499B2Chromatic dispersion distribution measurement apparatus and method for the sameANDO ELECTRIC·Filed 2002·Granted Jun 17, 2003·5 cites·6 claims
- 1251US5383210AOptical phase locked loop circuitANDO ELECTRIC·Filed 1994·Granted Jan 17, 1995·14 cites·1 claims
- 1348US8108314B2Content use control device, recording device, reproduction device, recording medium, and content use control methodSHIMIZU YUKITAKA·Filed 2004·Granted Jan 31, 2012·1 cites·35 claims
- 1446US5159400AApparatus for testing optical fiber by using detector having virtually broadened dynamic rangeANDO ELECTRIC·Filed 1991·Granted Oct 27, 1992·12 cites·1 claims
- 1545US6693714B1Position sensor for movable body and optical interferometerANDO ELECTRIC·Filed 2000·Granted Feb 17, 2004·3 cites·5 claims
- 1645US6594019B1Data processor and data processing method for wavemeterANDO ELECTRIC·Filed 2000·Granted Jul 15, 2003·2 cites·4 claims
- 1744US6108465AOptical pulse generatorANDO ELECTRIC·Filed 1998·Granted Aug 22, 2000·13 cites·9 claims
- 1843US6101021AOptical pulse generatorANDO ELECTRIC·Filed 1999·Granted Aug 8, 2000·10 cites·18 claims
- 1941US2009041420A1Recording and reproducing apparatusMATSUSHITA TAKESHI·Filed 2006·Application pending·0 cites
- 2037US6570658B1Optical part driving device incorporated into a detachable block and optical interferometer including sameANDO ELECTRIC·Filed 2000·Granted May 27, 2003·0 cites·10 claims
- 2135US6593727B1Data processor and data processing method for wavemeterANDO ELECTRIC·Filed 2000·Granted Jul 15, 2003·0 cites·2 claims
- 2235US2002122171A1Chromatic dispersion distribution measuring apparatus and measuring method thereofANDO ELECTRIC·Filed 2002·Application pending·0 cites
- 2335US2002101579A1Chromatic dispersion distribution measurement apparatus and method for the same, and input light intensity control device and method for the sameANDO ELECTRIC·Filed 2002·Application pending·0 cites
- 2434US6690977B1Data processor and data processing method for wavemeterANDO ELECTRIC·Filed 2000·Granted Feb 10, 2004·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →