Inventor · disambiguated record
Tadashi Kojima
Also filed as: KOJIMA TADASHI
105 granted patents·42 pending applications·2,844 citations·filing 1977–2023
99Inventor score
Files withTOSHIBA KK54TOKYO SHIBAURA ELECTRIC CO22ANDO HIDEO13NITTO DENKO CORP12CASIO COMPUTER CO LTD7
Top patents by PatentIndex Score
147 records- 0198US6198874B1Information storage medium, recording method used therefor and reproducing apparatusTOSHIBA KK·Filed 1998·Granted Mar 6, 2001·221 cites·4 claims
- 0298US5913010AInformation storage medium, recording method used therefor, and reproducing apparatusTOSHIBA KK·Filed 1997·Granted Jun 15, 1999·437 cites·8 claims
- 0397US6360055B1Information storage medium, recording method used therefor and reproducing apparatusTOSHIBA KK·Filed 1998·Granted Mar 19, 2002·105 cites·2 claims
- 0496US6490683B1Optical disk having electronic watermark, reproducing apparatus thereof and copy protecting method using the sameTOSHIBA KK·Filed 1998·Granted Dec 3, 2002·270 cites·22 claims
- 0596US6347145B2Method and apparatus of enciphering and deciphering data using keys enciphered and deciphered with other keysTOSHIBA KK·Filed 1997·Granted Feb 12, 2002·97 cites·23 claims
- 0694US6718510B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2001·Granted Apr 6, 2004·34 cites·21 claims
- 0794US6035095AInformation storage medium, recording method used therefor and reproducing apparatusTOSHIBA KK·Filed 1998·Granted Mar 7, 2000·63 cites·3 claims
- 0894US4583211AFrequency detecting circuit for digital information reproducing systemTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Apr 15, 1986·51 cites·10 claims
- 0993US7721343B2Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the mediumKABUSHIKI KAISH TOSHIBA·Filed 2005·Granted May 18, 2010·19 cites·4 claims
- 1093US5881037ARecording medium, recording method and apparatus, and reproduction method and apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 9, 1999·77 cites·35 claims
- 1192US7346828B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2006·Granted Mar 18, 2008·6 cites·2 claims
- 1292US4502024APulse-width modulation circuitTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Feb 26, 1985·45 cites·3 claims
- 1391US7370259B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2006·Granted May 6, 2008·5 cites·3 claims
- 1491US4446490APCM Signal processing circuitSONY CORP·Filed 1981·Granted May 1, 1984·37 cites·14 claims
- 1590US4860272AErroneous track jump restoration apparatus for optical record disc playerTOSHIBA KK·Filed 1987·Granted Aug 22, 1989·43 cites·5 claims
- 1690US4178403AMask blank and maskKONISHIROKU PHOTO IND·Filed 1977·Granted Dec 11, 1979·41 cites·8 claims
- 1789US7249305B2Signal processing method and apparatus, signal reproducing method and apparatus, and recording mediumTOSHIBA KK·Filed 2005·Granted Jul 24, 2007·8 cites·24 claims
- 1889US6907561B2Data processing method and apparatus, recording medium, reproducing method and apparatusTOSHIBA KK·Filed 2001·Granted Jun 14, 2005·23 cites·9 claims
- 1989US4495474APLL Control circuit for recovery of data from audio diskTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jan 22, 1985·34 cites·8 claims
- 2088US6721251B2Recording medium, signal recording method and apparatus and signal reproducing apparatusTOSHIBA KK·Filed 2001·Granted Apr 13, 2004·30 cites·12 claims
- 2187US9164213B2Polarizing plate and organic EL panelNITTO DENKO CORP·Filed 2013·Granted Oct 20, 2015·4 cites·7 claims
- 2287US7350128B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2006·Granted Mar 25, 2008·3 cites·3 claims
- 2387US7310763B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2006·Granted Dec 18, 2007·3 cites·3 claims
- 2487US6338139B1Information reproducing apparatus, authenticating apparatus, and information processing systemTOSHIBA KK·Filed 1998·Granted Jan 8, 2002·101 cites·5 claims
- 2587US4453260ASynchronizing circuit for detecting and interpolating sync signals contained in digital signalTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Jun 5, 1984·32 cites·2 claims
- 2687US4264863APulse swallow type programmable frequency dividing circuitTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Apr 28, 1981·35 cites·7 claims
- 2786US4433415APCM Signal processorTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Feb 21, 1984·29 cites·6 claims
- 2884US9459389B2Polarizing plate and organic EL panelNITTO DENKO CORP·Filed 2013·Granted Oct 4, 2016·7 cites·11 claims
- 2984US5912869ARecording medium data transmission method and apparatus and data reproduction method and apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 15, 1999·43 cites·50 claims
- 3084US4574206AWave-shaping circuitTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Mar 4, 1986·27 cites·6 claims
- 3183US7433474B2Method and apparatus of enciphering and deciphering data using keys enciphered and deciphered with other keysTOSHIBA KK·Filed 2002·Granted Oct 7, 2008·13 cites·10 claims
- 3282US6865146B2Signal recording medium, signal recording method, signal recording apparatus, and signal recording/reproducing apparatusTOSHIBA KK·Filed 2001·Granted Mar 8, 2005·15 cites·14 claims
- 3381US7091887B2Modulator, modulation method, and method of manufacturing an optical recordable medium with enhanced security for confidential informationTOSHIBA KK·Filed 2005·Granted Aug 15, 2006·4 cites·17 claims
- 3481US7017100B2Signal processing method and apparatus, signal reproducing method and apparatus, and recording mediumTOSHIBA KK·Filed 2002·Granted Mar 21, 2006·12 cites·24 claims
- 3581US4449792ALarge-aperture single lens with aspherical surfacesKONISHIROKU PHOTO IND·Filed 1981·Granted May 22, 1984·38 cites·6 claims
- 3680US5917857ADigital modulation apparatus, a digital modulation method, and a recording medium thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jun 29, 1999·35 cites·6 claims
- 3780US4574361AApparatus for dividing the elements of a Galois fieldTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Mar 4, 1986·28 cites·6 claims
- 3879US5790569AMethod and apparatus for generating, recording and transmitting an error product code block having an improved check code arrangementTOSHIBA KK·Filed 1996·Granted Aug 4, 1998·41 cites·24 claims
- 3978US7380196B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2006·Granted May 27, 2008·3 cites·2 claims
- 4077US8208348B2Hand position detecting deviceKOJIMA TADASHI·Filed 2009·Granted Jun 26, 2012·8 cites·7 claims
- 4177US4689779ATracking control system for optical record disc information reproducing apparatusTOSHIBA KK·Filed 1985·Granted Aug 25, 1987·22 cites·2 claims
- 4276US7363571B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2006·Granted Apr 22, 2008·4 cites·3 claims
- 4376US6298195B1Information storage medium, recording method used therefor and reproducing apparatusTOSHIBA KK·Filed 1998·Granted Oct 2, 2001·16 cites·10 claims
- 4475US6175681B1Information storage medium, recording method used therefor, and reproducing apparatusTOSHIBA KK·Filed 1998·Granted Jan 16, 2001·16 cites·3 claims
- 4575US4575835AMotor control circuit of data reproduction apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Mar 11, 1986·18 cites·6 claims
- 4674US8023364B2Hand position detecting device and hand position control methodCASIO COMPUTER CO LTD·Filed 2009·Granted Sep 20, 2011·5 cites·12 claims
- 4773US10365108B2Information acquisition method, wireless communication device, electronic timepiece and recording mediumCASIO COMPUTER CO LTD·Filed 2018·Granted Jul 30, 2019·2 cites·17 claims
- 4873US9400345B2Circular polarizing plate and organic electroluminescence panelNITTO DENKO CORP·Filed 2013·Granted Jul 26, 2016·2 cites·17 claims
- 4973US4608692AError correction circuitTOSHIBA KK·Filed 1984·Granted Aug 26, 1986·22 cites·2 claims
- 5072US7302630B2Data processing method and apparatus, recording medium, reproducing method and apparatus using the same methodTOSHIBA KK·Filed 2006·Granted Nov 27, 2007·3 cites·3 claims
Showing the top 50 of 147 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →