Inventor · disambiguated record
Tetsuo Tajima
Also filed as: TAJIMA TETSUO
22 granted patents·361 citations·filing 1981–2002
96Inventor score
Top patents by PatentIndex Score
22 records- 0191US4729938AOptical disc base plate having a primer layer formed of an ultraviolet-cured resin compositionHITACHI LTD·Filed 1985·Granted Mar 8, 1988·46 cites·16 claims
- 0290US5401610AOptical discHITACHI LTD·Filed 1993·Granted Mar 28, 1995·31 cites·4 claims
- 0390US4897228AMethod for producing optical disk baseHITACHI LTD·Filed 1987·Granted Jan 30, 1990·44 cites·12 claims
- 0484US6191675B1High voltage transformer and ignition transformer using the sameHITACHI LTD·Filed 1999·Granted Feb 20, 2001·39 cites·30 claims
- 0581US4668550AOptical discHITACHI LTD·Filed 1986·Granted May 26, 1987·26 cites·9 claims
- 0675US5244775AMethod of manufacturing an optical discHITACHI LTD·Filed 1992·Granted Sep 14, 1993·13 cites·18 claims
- 0770US5766407AOptical disk producing apparatusHITACHI LTD·Filed 1996·Granted Jun 16, 1998·24 cites·5 claims
- 0865US5543271AOptical recording and reproduction apparatusHITACHI LTD·Filed 1995·Granted Aug 6, 1996·10 cites·26 claims
- 0964US4889757AOptical recording diskHITACHI LTD·Filed 1987·Granted Dec 26, 1989·12 cites·34 claims
- 1062US6766046B1Plate glass shatter testing method, device, imaging method for glass testing and image signal processing methodASAHI GLASS CO LTD·Filed 1999·Granted Jul 20, 2004·24 cites·11 claims
- 1161US6465151B1Method of manufacturing optical discsHITACHI LTD·Filed 2000·Granted Oct 15, 2002·2 cites·13 claims
- 1261US5582677AOptical disk producing apparatusHITACHI LTD·Filed 1993·Granted Dec 10, 1996·25 cites·3 claims
- 1357US6573025B2Optical discHITACHI LTD·Filed 2002·Granted Jun 3, 2003·1 cites·3 claims
- 1454US4835027AOptical discHITACHI LTD·Filed 1987·Granted May 30, 1989·9 cites·19 claims
- 1550US4812346AOptical disc base plate and process for producing the sameHITACHI LTD·Filed 1986·Granted Mar 14, 1989·14 cites·9 claims
- 1649US5906907AOptical discHITACHI LTD·Filed 1997·Granted May 25, 1999·4 cites·29 claims
- 1744US5686227AOptical reproduction apparatusHITACHI LTD·Filed 1996·Granted Nov 11, 1997·3 cites·26 claims
- 1841US4460535AMethod for producing flyback transformersHITACHI LTD·Filed 1981·Granted Jul 17, 1984·12 cites·13 claims
- 1938US5254659AInsulating coating composition, solderable insulated wires, production process of the insulated wires and flyback transformers using the insulated wiresHITACHI LTD·Filed 1991·Granted Oct 19, 1993·9 cites·22 claims
- 2037US4957990AMaterials for optical useHITACHI LTD·Filed 1988·Granted Sep 18, 1990·7 cites·4 claims
- 2136US6140028AOptical recording and reproduction apparatusHITACHI LTD·Filed 1999·Granted Oct 31, 2000·1 cites·58 claims
- 2236US5071236AReplica plate, process for producing the same and projection type television using the sameHITACHI LTD·Filed 1990·Granted Dec 10, 1991·5 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →