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                        Vacuum exhaust method
                    
                                            
                                - 
                                    Patent number 10,014,145
                                
 
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                                    Issue date Jul 3, 2018
                                
 
                        
                                            
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                                    Tokyo Electron Limited
                                 
                                - 
                                        
                                    Tomohiro  Saito
                                 
                        
                                            
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        High power fast switch
                    
                                            
                                - 
                                    Patent number 4,993,033
                                
 
                                - 
                                    Issue date Feb 12, 1991
                                
 
                        
                                            
                                - 
                                        
                                    Thermo Electron Technologies Corp.
                                 
                                - 
                                        
                                    Shiow-Hwa  Lin
                                 
                        
                                            
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                                    H03 - BASIC ELECTRONIC CIRCUITRY
                                 
                        
                 
             
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                        3909658
                    
                                            
                                - 
                                    Patent number 3,909,658
                                
 
                                - 
                                    Issue date Sep 30, 1975
                                
 
                        
                                                                
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                                    H03 - BASIC ELECTRONIC CIRCUITRY
                                 
                        
                 
             
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                        3854066
                    
                                            
                                - 
                                    Patent number 3,854,066
                                
 
                                - 
                                    Issue date Dec 10, 1974
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3665236
                    
                                            
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                                    Patent number 3,665,236
                                
 
                                - 
                                    Issue date May 23, 1972
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3660712
                    
                                            
                                - 
                                    Patent number 3,660,712
                                
 
                                - 
                                    Issue date May 2, 1972
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3610996
                    
                                            
                                - 
                                    Patent number 3,610,996
                                
 
                                - 
                                    Issue date Oct 5, 1971
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3588575
                    
                                            
                                - 
                                    Patent number 3,588,575
                                
 
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                                    Issue date Jun 28, 1971
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3587147
                    
                                            
                                - 
                                    Patent number 3,587,147
                                
 
                                - 
                                    Issue date Jun 28, 1971
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3562576
                    
                                            
                                - 
                                    Patent number 3,562,576
                                
 
                                - 
                                    Issue date Feb 9, 1971
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3463978
                    
                                            
                                - 
                                    Patent number 3,463,978
                                
 
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                                    Issue date Aug 26, 1969
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3445711
                    
                                            
                                - 
                                    Patent number 3,445,711
                                
 
                                - 
                                    Issue date May 20, 1969
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3419744
                    
                                            
                                - 
                                    Patent number 3,419,744
                                
 
                                - 
                                    Issue date Dec 31, 1968
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3396302
                    
                                            
                                - 
                                    Patent number 3,396,302
                                
 
                                - 
                                    Issue date Aug 6, 1968
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3348092
                    
                                            
                                - 
                                    Patent number 3,348,092
                                
 
                                - 
                                    Issue date Oct 17, 1967
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3308330
                    
                                            
                                - 
                                    Patent number 3,308,330
                                
 
                                - 
                                    Issue date Mar 7, 1967
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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                        3278789
                    
                                            
                                - 
                                    Patent number 3,278,789
                                
 
                                - 
                                    Issue date Oct 11, 1966
                                
 
                        
                                                                
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                                    B82 - NANO-TECHNOLOGY
                                 
                        
                 
             
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                        3275865
                    
                                            
                                - 
                                    Patent number 3,275,865
                                
 
                                - 
                                    Issue date Sep 27, 1966
                                
 
                        
                                                                
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                                    H01 - BASIC ELECTRIC ELEMENTS