Inventor
SEKI YOSHIZO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “SEKI YOSHIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOMY KOGYO CO
5 patentsUS4579538AApr 1, 1986
Construction toy
TOMY KOGYO CO41 citations91
US4619625AOct 28, 1986
Construction toy
TOMY KOGYO CO25 citations80
US4693694ASep 15, 1987
Toy with moving screen
TOMY KOGYO CO8 citations71
US4573928AMar 4, 1986
Teaching toy
TOMY KOGYO CO8 citations71
US4156322AMay 29, 1979
Simulated toy typewriter
TOMY KOGYO CO7 citations71