RN

Ryosaku Nawata

HI Hitachi: 2 patents #343 of 3,149Top 15%
Overall (1994): #20,672 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5355932 Method of producing a compound roll Kenji Date, Toshiyuki Hattori 1994-10-18
5305522 Method of producing a compound roll Kiyoshi Furushima, Kenji Date 1994-04-26