Inventor
IMAMURA HISAYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IMAMURA HISAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI METALS LTD
6 patentsUS6846765B2Jan 25, 2005
Silicon nitride powder, silicon nitride sintered body, sintered silicon nitride substrate, and circuit board and thermoelectric module comprising such sintered silicon nitride substrate
HITACHI METALS LTD91 citations96
US7031166B2Apr 18, 2006
Silicon nitride powder, silicon nitride sintered body, sintered silicon nitride substrate, and circuit board and thermoelectric module comprising such sintered silicon nitride substrate
HITACHI METALS LTD19 citations91
US7915533B2Mar 29, 2011
Silicon nitride substrate, a manufacturing method of the silicon nitride substrate, a silicon nitride wiring board using the silicon nitride substrate, and semiconductor module
HITACHI METALS LTD9 citations82
US10669210B2Jun 2, 2020
Silicon nitride sintered substrate, silicon nitride sintered substrate sheet, circuit substrate, and production method for silicon nitride sintered substrate
HITACHI METALS LTD3 citations70
US10559509B2Feb 11, 2020
Insulating substrate and semiconductor device using same
HITACHI METALS LTD0 citations51
US10057992B2Aug 21, 2018
Ceramic circuit substrate and its production method
HITACHI METALS LTD0 citations49
KAGA YOUICHIROU
2 patentsUS8563869B2Oct 22, 2013
Circuit board and semiconductor module using this, production method for circuit board
KAGA YOUICHIROU8 citations81
US8858865B2Oct 14, 2014
Silicon nitride substrate manufacturing method, silicon nitride substrate, silicon nitride circuit substrate, and semiconductor module
KAGA YOUICHIROU0 citations39