YOSHINAGA et al. V. YOSHINAGA et al. V. NAGASUNA et al. - Page 1




                    THIS OPINION WAS NOT WRITTEN FOR PUBLICATION                        
          The opinion in support of the decision being entered today                    
          (1) was not written for publication in a law journal and                      
          (2) is not binding precedent of the Board.                                    
                                                              Paper No. 65              
                     UNITED STATES PATENT AND TRADEMARK OFFICE                          
                                    _____________                                       
                         BEFORE THE BOARD OF PATENT APPEALS                             
                                  AND INTERFERENCES                                     
                                    _____________                                       
                          KENJI YOSHINAGA, TOSHIKO NAKAMURA                             
                                   and KIICHI ITOH,                                     
                                    Junior Party,1                                      
                                          v.                                            
                          KENJI YOSHINAGA, TOSHIKO NAKAMURA                             
                                   and KIICHI ITOH,                                     
                                    Junior Party,2                                      
                                          v.                                            
                          KINYA NAGASUNA, KENJI KADONAGA,                               
                        KAZUMASA KIMURA and TADAO SHIMOMURA,                            
                                    Senior Party.3                                      

               1Patent No. 5,185,413, granted February 9, 1993, based on                
          Application 07/824,870, filed January 22, 1992.  Accorded the                 
          benefit of U.S. Application 07/523,561, filed May 15, 1990,                   
          now abandoned; and Japan 1-121685, filed May 16, 1989.                        
          Assigned to Mitsubishi Petrochemical Company Limited, Tokyo,                  
          Japan.                                                                        
               2Reissue application 08/763,432, filed December 11, 1996.                
          Accorded the benefit of U.S. Application Nos. 07/824,870,                     
          filed January 22, 1992, now Patent No. 5,185,413, granted                     
          February 9, 1993; 07/523,561, filed May 15, 1990, now                         
          abandoned; and Japan     1-121685, filed May 16, 1989.                        
          Assigned to Mitsubishi Petrochemical Company Limited, Tokyo,                  
          Japan.                                                                        
               3Application 08/026,167, filed March 1, 1993.  Accorded                  
          the benefit of U.S. Application Nos. 07/682,415, filed April                  
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