AH

Akiko HIRAYAMA

ML Mitsubishi Pencil Company, Limited: 1 patents #4 of 23Top 20%
📍 Shinagawa, JP: #54 of 122 inventorsTop 45%
Overall (2020): #559,552 of 565,922Top 100%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10851252 Aqueous ink composition for writing instruments Kana Miyoshi, Kousuke OGURA 2020-12-01