Inventor

KUMAGAI TOMOHISA

JP2 patents

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

TOYOTA MOTOR CO LTD

1 patent

US5806069ASep 8, 1998

Method and system of managing construction-related information and production-related information

TOYOTA MOTOR CO LTD59 citations91

HITACHI LTD

1 patent

US9419804B2Aug 16, 2016

Data authenticity assurance method, management computer, and storage medium

HITACHI LTD0 citations38