HE

Hiroshi Eiraku

NC Nihon Parkerizing Co.: 1 patents #112 of 330Top 35%
Overall (All Time): #3,385,560 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7217327 Method of producing metal member with enhanced corrosion resistance by salt bath nitriding Yutaka Sawano, Tetsuya Yamamura, Kuniji Yashiro, Fumihide Nakamura, Motohiro Tenmaya 2007-05-15