HS

Hiroshi Sakakima

Sumitomo Electric Industries: 77 patents #60 of 21,551Top 1%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
SK Seisan Kaihatsu Kagaku Kenkyusho: 1 patents #15 of 31Top 50%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
NL Nippon Mining Company Limited: 1 patents #97 of 262Top 40%
Tdk: 1 patents #2,493 of 3,796Top 70%
TO Tosoh: 1 patents #576 of 1,042Top 60%
TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
NE Nec: 1 patents #7,889 of 14,502Top 55%
Overall (All Time): #23,363 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 76–79 of 79 patents

Patent #TitleCo-InventorsDate
4488195 Magnetic head and method of producing same Yukihiro Yanagiuchi, Eiichi Hirota, Harufumi Senno 1984-12-11
4437912 Amorphous magnetic alloys Mitsuo Satomi, Harufumi Senno, Eiichi Hirota 1984-03-20
4312683 Method for heat-treating amorphous alloy films Harufumi Senno, Yukihiro Yanagiuchi, Eiichi Hirota 1982-01-26
4288260 Method of heat treatments of amorphous alloy ribbons Harufumi Senno, Yukihiro Yanagiuchi, Tsuneo Inoue, Masatsugu Yamaguchi, Eiichi Hirota 1981-09-08