IK

Itsuo Korenaga

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,650,568 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5403670 Compound sleeve roll and method for producing same comprising chamfered axial ends Takuya Ohsue, Akira Noda, Hiroshi Fukuzawa 1995-04-04
5010946 Die casting cylinder Shingo Nogami, Toshinori Yashiro, Toshio Okitsu, Kiyoshi Furushima 1991-04-30
4250606 Method of processing roll 1981-02-17