SK

Shigetaka Kumashiro

NE Nec: 12 patents #1,037 of 14,502Top 8%
NE Nec Electronics: 3 patents #234 of 1,789Top 15%
Overall (All Time): #327,302 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6931609 Capacitance parameters calculation method for MOSFET and program therefor Yasuhisa Naruta 2005-08-16
6566695 Hyperbolic type channel MOSFET 2003-05-20
6553340 Computer simulation method for semiconductor device 2003-04-22
6505147 Method for process simulation 2003-01-07
6426535 Semiconductor device having improved short channel resistance Kiyoshi Takeuchi 2002-07-30
6360190 Semiconductor process device simulation method and storage medium storing simulation program 2002-03-19
6242272 Reverse profiling method for profiling modulated impurity density distribution of semiconductor device Kiyoshi Takeuchi 2001-06-05
6154717 Computer simulation method of impurity with pileup phenomenon 2000-11-28
6144929 Method of simulating impact ionization phenomenon in semiconductor device 2000-11-07
6080200 Diffusion simulation method for impurities using mesh points and branches utilizing concentrations of electrically active impurities and effective impurity electric field mobility 2000-06-27
6006026 Method for simulating impurity diffusion in semiconductor with oxidation 1999-12-21
5847973 Oxidation simulation method 1998-12-08
5784302 High speed point defect diffusion simulating method 1998-07-21
5682338 Method of estimating initial values of potential in semiconductor device simulation Ikuhiro Yokota 1997-10-28
5677846 Device simulator and mesh generating method thereof 1997-10-14