Inventor

MURATA KEI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “MURATA KEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VICTOR COMPANY OF JAPAN

2 patents

US4655876AApr 7, 1987

Method for fabricating a master recording disc

VICTOR COMPANY OF JAPAN26 citations90

US5480763AJan 2, 1996

Method for manufacturing a stamper for high-density recording discs

VICTOR COMPANY OF JAPAN19 citations79

NIPPON STEEL & SUMITOMO METAL CORP

1 patent

US9651175B2May 16, 2017

Seamless steel pipe for line pipe

NIPPON STEEL & SUMITOMO METAL CORP0 citations48