Inventor
NAKAI KEIICHI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “NAKAI KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PLUS ONE CO LTD
5 patentsUSD352741SNov 22, 1994
Riding toy
PLUS ONE CO LTD17 citations78
USD430823SSep 12, 2000
Bicycle
PLUS ONE CO LTD8 citations70
USD372690SAug 13, 1996
Tri-cycle for child
PLUS ONE CO LTD6 citations70
USD391201SFeb 24, 1998
Baby-walker
PLUS ONE CO LTD3 citations59
USD378105SFeb 18, 1997
Car for child
PLUS ONE CO LTD5 citations59