Inventor

CHUMA TOSHIAKI

JP3 patents

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

CHUMA TOSHIAKI

2 patents

US8748751B2Jun 10, 2014

Electronic component package and method for producing electronic component package

CHUMA TOSHIAKI1 citations44

US8241760B2Aug 14, 2012

Joint structure, joining method, wiring board and method for producing the same

CHUMA TOSHIAKI0 citations29

SUMITOMO BAKELITE CO

1 patent

US7576288B2Aug 18, 2009

Circuit board, multi-layer wiring boards, method of producing circuit boards and method of producing multilayer wiring boards

SUMITOMO BAKELITE CO15 citations78