Nao Umemura

PK Pentel Kabushiki Kaisha: 1 patents #2 of 9Top 25%

Overall (2023): #312,654 of 537,848Top 60%

Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D977571	Mechanical pencil	—	2023-02-07