Inventor
ICHIYAMA TADASHI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “ICHIYAMA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL CORP
4 patentsUS4293350AOct 6, 1981
Grain-oriented electromagnetic steel sheet with improved watt loss
NIPPON STEEL CORP57 citations95
US4363677ADec 14, 1982
Method for treating an electromagnetic steel sheet and an electromagnetic steel sheet having marks of laser-beam irradiation on its surface
NIPPON STEEL CORP43 citations91
US4613842ASep 23, 1986
Iron core for electrical machinery and apparatus as well as method for producing the iron core
NIPPON STEEL CORP39 citations90
US4552596ANov 12, 1985
Grain-oriented electromagnetic steel sheet with improved watt loss
NIPPON STEEL CORP10 citations73