P

Inventor

NAMIKI YOSHIHARU

JP4 patents
⚠️ This page may combine multiple inventors who share the name “NAMIKI YOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI PENCIL CO

3 patents
US9636940B2May 2, 2017

Writing instrument

MITSUBISHI PENCIL CO2 citations70
US7931415B2Apr 26, 2011

Knock-type writing instrument having a shock-relaxing device

MITSUBISHI PENCIL CO6 citations59
US10576775B2Mar 3, 2020

Knock type writing instrument

MITSUBISHI PENCIL CO1 citations58

TAMANO HISAMI

1 patent
US8292530B2Oct 23, 2012

Knock type writing instrument

TAMANO HISAMI8 citations76