Inventor · disambiguated record
Masaetsu Takahashi
Also filed as: TAKAHASHI MASAETSU
12 granted patents·1 pending application·635 citations·filing 1991–2008
93Inventor score
Top patents by PatentIndex Score
13 records- 0199US6280684B1Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording mediumRICOH KK·Filed 2000·Granted Aug 28, 2001·320 cites·4 claims
- 0292US5785828ASputtering target for producing optical recording mediumRICOH KK·Filed 1995·Granted Jul 28, 1998·54 cites·3 claims
- 0391US6503592B1Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording mediumRICOH KK·Filed 2001·Granted Jan 7, 2003·24 cites·17 claims
- 0490US5646924ARecording and simultaneous verifying method of phase-changing type of information recording mediumRICOH KK·Filed 1994·Granted Jul 8, 1997·54 cites·12 claims
- 0589US6127016ASputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording mediumRICOH KK·Filed 1997·Granted Oct 3, 2000·40 cites·16 claims
- 0676US5319479ADeposited multi-layer device with a plastic substrate having an inorganic thin film layerRICOH KK·Filed 1991·Granted Jun 7, 1994·45 cites·11 claims
- 0775US5420833AMagneto-optical recording medium having first and second magnetic layersRICOH KK·Filed 1993·Granted May 30, 1995·24 cites·8 claims
- 0874US5882493AHeat treated and sintered sputtering targetRICOH KK·Filed 1997·Granted Mar 16, 1999·25 cites·10 claims
- 0969US5142192AThin film electroluminescent elementRICOH KK·Filed 1991·Granted Aug 25, 1992·28 cites·8 claims
- 1059US5543945AMethod of driving an LCD employing combining two voltages which change polarity at different times in a frameRICOH KK·Filed 1994·Granted Aug 6, 1996·21 cites·6 claims
- 1151US8189449B2Multilayer optical information medium and optical information processing apparatus therefor, program product and information medium including the sameFUJII TOSHISHIGE·Filed 2008·Granted May 29, 2012·0 cites·15 claims
- 1250US7876657B2Information recording apparatus, an information recording system, a program, and a recording mediumRICOH CO LTD·Filed 2005·Granted Jan 25, 2011·0 cites·20 claims
- 1341US2007121466A1Information recorder, information recording method and recording medium recorded with programTAKAHASHI MASAETSU·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →