Inventor
NAKAYAMA KYO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA KYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI PENCIL CO
15 patentsUS7802936B1Sep 28, 2010
Mechanical pencil
MITSUBISHI PENCIL CO16 citations83
US7654763B2Feb 2, 2010
Mechanical pencil
MITSUBISHI PENCIL CO10 citations82
US6854909B2Feb 15, 2005
Lead propelling device
MITSUBISHI PENCIL CO8 citations73
US7815385B2Oct 19, 2010
Mechanical pencil
MITSUBISHI PENCIL CO7 citations71
US10921909B2Feb 16, 2021
Input touch pen
MITSUBISHI PENCIL CO2 citations69
US11221686B2Jan 11, 2022
Multifunction pen
MITSUBISHI PENCIL CO2 citations68
US9597920B2Mar 21, 2017
Writing instrument or applicator having resin molded parts
MITSUBISHI PENCIL CO3 citations64
US7850381B2Dec 14, 2010
Mechanical pencil
MITSUBISHI PENCIL CO5 citations62
US7850380B2Dec 14, 2010
Mechanical pencil
MITSUBISHI PENCIL CO5 citations62
US7806615B1Oct 5, 2010
Mechanical pencil
MITSUBISHI PENCIL CO5 citations62
US8043686B2Oct 25, 2011
Method of moulding composite member, and composite member
MITSUBISHI PENCIL CO2 citations59
US11472222B2Oct 18, 2022
Multifunction pen
MITSUBISHI PENCIL CO0 citations58
US7452148B2Nov 18, 2008
Lead holding structure of mechanical pencil
MITSUBISHI PENCIL CO1 citations51
US10838520B2Nov 17, 2020
Handwriting input device
MITSUBISHI PENCIL CO0 citations40
US9649872B2May 16, 2017
Chuck body and mechanical pencil
MITSUBISHI PENCIL CO0 citations39