text: **Patent**
  
  (xxxxxxx) 
  5,000 
  
  4,000 
  
  3,000 
  
  2,000 
  
  1,000 
  
  0 
  **’99** **’00**
  
  O 
  U 
  R 
  
  W 
  O 
  R 
  K 
  **Research Paper**
  
  120 
  100 
  80 
  60 
  40 
  20 
  0 
  **’00** **’01** **’02** **’03** **’04**
  
  The number of research papers presented at JSME (The Japan Society of 
  Mechanical Engineers), JSAE (The Society of Automotive Engineers of Japan), SAE 
  (The Society of Automotive Engineers), FISITA (The International Federation of 
  Automotive Engineering Societies) 