Inventor
KUMAGAI MICHIAKI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI MICHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YOSHIDA INDUSTRY CO
5 patentsUS6311701B1Nov 6, 2001
Cosmetic case
YOSHIDA INDUSTRY CO49 citations94
US6386209B1May 14, 2002
Cosmetic case
YOSHIDA INDUSTRY CO28 citations91
US6192895B1Feb 27, 2001
Cosmetic case
YOSHIDA INDUSTRY CO27 citations91
US11485553B2Nov 1, 2022
Container with cap
YOSHIDA INDUSTRY CO1 citations61
US9398801B2Jul 26, 2016
Cosmetic container
YOSHIDA INDUSTRY CO0 citations40