P

Inventor

SEIMIYA MOTOO

JP6 patents
⚠️ This page may combine multiple inventors who share the name “SEIMIYA MOTOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKYO SHIBAURA ELECTRIC CO

5 patents
US4414190ANov 8, 1983

Method of preparing silicon nitride

TOKYO SHIBAURA ELECTRIC CO7 citations72
US4280989AJul 28, 1981

Method of preparing silicon nitride

TOKYO SHIBAURA ELECTRIC CO15 citations72
US4377563AMar 22, 1983

Method of preparing silicon carbide

TOKYO SHIBAURA ELECTRIC CO10 citations71
US4327066AApr 27, 1982

Method of preparing silicon carbide

TOKYO SHIBAURA ELECTRIC CO13 citations71
US4101309AJul 18, 1978

Method for preparing tungsten materials

TOKYO SHIBAURA ELECTRIC CO7 citations69

TOSHIBA KK

1 patent
US4762695AAug 9, 1988

Methods for preparing high-purity molybdenum or tungsten powder and high-purity oxides powder of the same

TOSHIBA KK38 citations91