Inventor
SAWA YUKINORI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “SAWA YUKINORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI PENCIL CO
5 patentsUS6478495B2Nov 12, 2002
Capless writing instrument
MITSUBISHI PENCIL CO24 citations91
US7101102B2Sep 5, 2006
Capless writing instrument
MITSUBISHI PENCIL CO19 citations80
US6761496B2Jul 13, 2004
Writing utensil
MITSUBISHI PENCIL CO6 citations72
US11148460B2Oct 19, 2021
Writing instrument
MITSUBISHI PENCIL CO0 citations51
US7837404B2Nov 23, 2010
Applicator
MITSUBISHI PENCIL CO1 citations50