Inventor · disambiguated record
Keisuke Tsudaka
Also filed as: TSUDAKA KEISUKE
12 granted patents·1 pending application·781 citations·filing 1994–2020
94Inventor score
Top patents by PatentIndex Score
13 records- 0197US5825647ACorrection method and correction apparatus of mask patternSONY CORP·Filed 1996·Granted Oct 20, 1998·210 cites·12 claims
- 0294US5991006AMethod and apparatus for correcting exposure patterns, and exposure mask, method of exposing and semiconductor deviceSONY CORP·Filed 1997·Granted Nov 23, 1999·145 cites·10 claims
- 0393US6014456AMethod of correcting mask pattern and mask, method of exposure, apparatus thereof, and photomask and semiconductor device using the sameSONY CORP·Filed 1996·Granted Jan 11, 2000·95 cites·37 claims
- 0492US6249597B1Method of correcting mask pattern and mask, method of exposure, apparatus thereof, and photomask and semiconductor device using the sameSONY CORP·Filed 1998·Granted Jun 19, 2001·79 cites·48 claims
- 0591US6042257ACorrection method and correction apparatus of mask patternSONY CORP·Filed 1998·Granted Mar 28, 2000·65 cites·1 claims
- 0688US6154563AMethod of correcting mask pattern and mask, method of exposure, apparatus thereof, and photomask and semiconductor device using the sameSONY CORP·Filed 1998·Granted Nov 28, 2000·57 cites·31 claims
- 0785US6067375ACorrection method and correction apparatus of mask patternSONY CORP·Filed 1998·Granted May 23, 2000·41 cites·1 claims
- 0875US5558963AMethod of producing photomask and exposingSONY CORP·Filed 1994·Granted Sep 24, 1996·23 cites·12 claims
- 0967US5723235AMethod of producing photomask and exposingSONY CORP·Filed 1996·Granted Mar 3, 1998·23 cites·12 claims
- 1061US6058203ACorrection method and correction apparatus of mask patternSONY CORP·Filed 1998·Granted May 2, 2000·13 cites·2 claims
- 1159US5969801ACorrection method and correction apparatus of mask patternSONY CORP·Filed 1998·Granted Oct 19, 1999·12 cites·11 claims
- 1252US5736280AMethod of estimation of resist pattern and method of exposure based on sameSONY CORP·Filed 1995·Granted Apr 7, 1998·18 cites·13 claims
- 1348US2022334259A1Information processing apparatus, information processing method, and programSONY GROUP CORP·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →