HS

Hisahumi Sakamoto

MH Mitsui High-Tec: 1 patents #93 of 174Top 55%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #3,999,403 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4602969 Method for annealing a core blank used in electric machinery and devices Hiromichi Koshiishi, Sigeki Eguchi, Hisayoshi Kuramasu 1986-07-29