Inventor
HIRAIWA TADASHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “HIRAIWA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOWA DENKO KK
8 patentsUS4902649AFeb 20, 1990
Hard tissue substitute composition
SHOWA DENKO KK72 citations96
US5633084AMay 27, 1997
Coated fused alumina particles and production process thereof
SHOWA DENKO KK24 citations91
US5215551AJun 1, 1993
Alumina-based ceramics materials, abrasive materials and method for the manufacture of the same
SHOWA DENKO KK34 citations88
US5387268AFeb 7, 1995
Sintered alumina abrasive grain and abrasive products
SHOWA DENKO KK19 citations81
US5304226AApr 19, 1994
Abrasive grain and manufacture for the same
SHOWA DENKO KK17 citations80
US5192339AMar 9, 1993
Abrasive grain and method for manufacturing the same
SHOWA DENKO KK17 citations80
US4774068ASep 27, 1988
Method for production of mullite of high purity
SHOWA DENKO KK3 citations59
US4686774AAug 18, 1987
Method for dehydration of a composition of a fine powder and water
SHOWA DENKO KK4 citations57