Inventor

SUMIYOSHI MAKOTO

JP4 patents

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

FUJITSU LTD

2 patents

US5586006ADec 17, 1996

Multi-chip module having a multi-layer circuit board with insulating layers and wiring conductors stacked together

FUJITSU LTD59 citations95

US5432675AJul 11, 1995

Multi-chip module having thermal contacts

FUJITSU LTD63 citations94

TOYOTA MOTOR CO LTD

1 patent

US4794221ADec 27, 1988

Apparatus and method for exchanging electrode chips used for resistance welding

TOYOTA MOTOR CO LTD66 citations90

SUBARU CORP

1 patent

US12512286B2Dec 30, 2025

Relay device and power supply device for vehicle

SUBARU CORP0 citations61