Inventor

MATSUKAWA RYOJI

JP2 patents

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

DELTA KOGYO CO

1 patent

US7121626B2Oct 17, 2006

Headrest lock structure with lock slots, method for forming lock slots in headrest pole and method for producing headrest pole

DELTA KOGYO CO25 citations86

FUJITA ETSUNORI

1 patent

US8528982B2Sep 10, 2013

Seat

FUJITA ETSUNORI5 citations71