KI

Ken Ichiryu

HC Hitachi Construction Machinery Co.: 1 patents #16 of 51Top 35%
Overall (1994): #106,348 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5290369 Method of gas sulphonitriding Kazuyoshi Hatano, Morio Tamura, Eiji Kometani, Yasuharu Gotoh, Nobuyoshi Hidao 1994-03-01