Inventor · disambiguated record
Tohru Ogawa
Also filed as: OGAWA TOHRU
25 granted patents·1,314 citations·filing 1976–2005
97Inventor score
Top patents by PatentIndex Score
25 records- 0197US5529951AMethod of forming polycrystalline silicon layer on substrate by large area excimer laser irradiationSONY CORP·Filed 1994·Granted Jun 25, 1996·303 cites·2 claims
- 0292US6071765AMethod of forming polycrystalline silicon layer on substrate and surface treatment apparatus thereofSONY CORP·Filed 1997·Granted Jun 6, 2000·105 cites·23 claims
- 0391US5869803AMethod of forming polycrystalline silicon layer on substrate and surface treatment apparatus thereofSONY CORP·Filed 1995·Granted Feb 9, 1999·104 cites·65 claims
- 0490US5698352ASemiconductor device containing Si, O and N anti-reflective layerSONY CORP·Filed 1997·Granted Dec 16, 1997·75 cites·10 claims
- 0590US5641607AAnti-reflective layer used to form a semiconductor deviceSONY CORP·Filed 1995·Granted Jun 24, 1997·85 cites·5 claims
- 0690US5591566AMethod of forming a resist pattern by using a silicon carbide anti-reflective layerSONY CORP·Filed 1995·Granted Jan 7, 1997·104 cites·18 claims
- 0787US5473409ASemiconductor light exposure deviceSONY CORP·Filed 1994·Granted Dec 5, 1995·56 cites·24 claims
- 0880US5472827AMethod of forming a resist pattern using an anti-reflective layerSONY CORP·Filed 1993·Granted Dec 5, 1995·53 cites·14 claims
- 0980US5472829AMethod of forming a resist pattern by using an anti-reflective layerSONY CORP·Filed 1994·Granted Dec 5, 1995·64 cites·10 claims
- 1080US5345437ASystem for controlling frequency multiplexing modemsFUJITSU LTD·Filed 1993·Granted Sep 6, 1994·99 cites·10 claims
- 1176US5677111AProcess for production of micropattern utilizing antireflection filmSONY CORP·Filed 1995·Granted Oct 14, 1997·52 cites·9 claims
- 1273US5648202AMethod of forming a photoresist pattern using an anti-reflectiveSONY CORP·Filed 1995·Granted Jul 15, 1997·32 cites·12 claims
- 1371US6611317B1Exposure apparatus, semiconductor device, and photomaskASAHI GLASS CO LTD·Filed 2000·Granted Aug 26, 2003·11 cites·4 claims
- 1468US5670297AProcess for the formation of a metal patternSONY CORP·Filed 1995·Granted Sep 23, 1997·35 cites·33 claims
- 1567US5321722AMultipoint connected communication system having function of retraining modems provided therein and method of retraining the modemsFUJITSU LTD·Filed 1993·Granted Jun 14, 1994·53 cites·16 claims
- 1663US5627625APattern projecting methodSONY CORP·Filed 1994·Granted May 6, 1997·17 cites·9 claims
- 1759US5448595AAutomatic gain control circuit for a demodulation section of a modemFUJITSU LTD·Filed 1993·Granted Sep 5, 1995·17 cites·13 claims
- 1850US5311282AHigh precision stepping aligner having a spiral stepping patternSONY CORP·Filed 1992·Granted May 10, 1994·10 cites·6 claims
- 1948US7350503B2Fuel injection pumpYANMAR CO LTD·Filed 2003·Granted Apr 1, 2008·3 cites·11 claims
- 2048US4035263AComposite catalyst for clarifying exhaust gas containing nitrogen oxides and method for producing the sameUBE INDUSTRIES·Filed 1976·Granted Jul 12, 1977·8 cites·15 claims
- 2147US5689513AData transmission system having a backup testing facilityFUJITSU LTD·Filed 1996·Granted Nov 18, 1997·13 cites·22 claims
- 2242US6448861B2PLL controller, method of PLL control, and limiterFUJITSU LTD·Filed 2001·Granted Sep 10, 2002·3 cites·8 claims
- 2341US6880508B2Start assister of fuel injection pumpYANMAR CO LTD·Filed 2004·Granted Apr 19, 2005·3 cites·6 claims
- 2441US6673526B1Pattern formation method and method and apparatus for production of a semiconductor device using said methodSONY CORP·Filed 1995·Granted Jan 6, 2004·9 cites·7 claims
- 2535US7123797B2Directional coupler switchNAT INST OF ADVANCE IND SCIENC·Filed 2005·Granted Oct 17, 2006·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →