P

Inventor

OHNUMA YOSHIYUKI

JP5 patents
⚠️ This page may combine multiple inventors who share the name “OHNUMA YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

3 patents
US4886767ADec 12, 1989

Silicon nitride-ceramic and a manufacturing method therof

TOSHIBA KK20 citations80
US4853299AAug 1, 1989

Silicon carbide sintered body and method of manufacturing the same

TOSHIBA KK13 citations72
US5187127AFeb 16, 1993

Fiber-reinforced silicon nitride ceramic

TOSHIBA KK18 citations68

ACHILLES CORP

2 patents
US5026737AJun 25, 1991

Process for the production of urethane-modified polyisocyanurate foam

ACHILLES CORP8 citations72
US6960618B2Nov 1, 2005

Preparation method for rigid polyurethane foam

ACHILLES CORP3 citations54