Inventor
MATSUYAMA YASUSHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MATSUYAMA YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOMY CO LTD
4 patentsUS5320573AJun 14, 1994
Spiral spring toy with a pulling string
TOMY CO LTD13 citations72
US5101214AMar 31, 1992
Adjustable length folded dipole antenna
TOMY CO LTD9 citations68
USD1051992SNov 19, 2024
Puzzle toy
TOMY CO LTD1 citations62
US5362050ANov 8, 1994
Movable body jumping mechanism for amusement devices
TOMY CO LTD3 citations61