Description  Claims  Cited references 

US8138442B2   [0016] 
GB2106541A   [0017] 
JP2006263891A   [0018] 
JP2006082192A   [0019] 
JP2012030330A   [0020] 
EP0280059B1   [0021] 
EP0597122A1   [0022] 
CN101185983A   [0023] 
CN201511193U   [0024] 
CN105215487A   [0025] 
US8269132B2   [0026] 
EP1837113A1   [0027] 
WO2009118210A1   [0028] 
EP1839794A1   [0029] 
EP1870189A1   [0029] 

Design of Experiments Using The Taguchi Approach: 16 Steps to Product and Process Improvement   [0047] 
Integrated Experimental design and parameter optimization under uncertain process circumstances   [0048]