Ex parte YAMAKAWA et al. - Page 1




          The opinion in support of the decision being entered today was not written for
                   publication and is not binding precedent of the Board.             

                                                            Paper No. 40              


                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                                    _____________                                     
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
                                    _____________                                     
                              Ex parte YUKIO YAMAKAWA,                                
                                  SOICHIRO TANAKA,                                    
                                   KOJI ITONAGA,                                      
                                        and                                           
                                    YASUSHI NAKAI                                     
                                    _____________                                     
                                Appeal No. 1997-2073                                  
                             Application No. 08/308,639                               
                                   ______________                                     
                                      ON BRIEF                                        
                                   _______________                                    

          Before JOHN D. SMITH, PAK, and ROBINSON, Administrative Patent              
          Judges.                                                                     
          PAK, Administrative Patent Judge.                                           

                                 DECISION ON APPEAL                                   
               This is a decision on an appeal from the examiner’s                    
          refusal to allow claims 3, 5 through 8, 10, 27 and 28 which                 
          are all of the claims pending in the application.  Claims 12                
          through                                                                     







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