Inventor
SASAKI TSUKASA
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI TSUKASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTEL KK
6 patentsUSD421770SMar 21, 2000
Mechanical pencil
PENTEL KK14 citations71
US6705789B2Mar 16, 2004
Mechanical pencil
PENTEL KK8 citations67
US9162199B2Oct 20, 2015
Two-component mixing container including piston using spring engagement
PENTEL KK2 citations61
US5085534AFeb 4, 1992
Mechanical pencil lead protection pipe with protuberance
PENTEL KK3 citations55
US9156014B2Oct 13, 2015
Two-component mixing container with communication passage of liquid-tight structure
PENTEL KK1 citations50
US9271807B2Mar 1, 2016
Nozzle mounting structure of component container
PENTEL KK0 citations40