Academic literature

#Presentation at the Japan Institute of Metals and Materials

Posted in the “Materia” (Vol. 50, No. 3) bulletin issued by the Japan Institute of Metals and Materials: “Development of fine precipitation dispersion stainless steel plate for high-pressure combustion cylinder head gasket (NAR-301L HSX)”

#Presentation at the Society of Automotive Engineers (SAE)

“Method of evaluating the durability of metal head gaskets as a single unit”
“Development of Compound Coating to Reduce Permeation of Chloride Ions in Salt Water for Hexavalent-Chromium-Free Metal Gaskets for PWC Engines” 2008-32-0047(SAE) / 20084747(JSAE)

※As a parts manufacturer, we cooperate with automobile manufacturers and employ the evaluation method for  the development of technology and products.


・53 patents in Japan
  (14 patents of materials and 39 patents of products)
・65 patents overseas
  (36 patents of materials and 29 patents of products)
  in 17 countries