AH

Akiko HIRAYAMA

ML Mitsubishi Pencil Company, Limited: 2 patents #2 of 29Top 7%
📍 Shinagawa, JP: #15 of 77 inventorsTop 20%
Overall (2024): #188,832 of 561,600Top 35%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12110401 Aqueous ink composition for writing instrument Kousuke OGURA, Kana Miyoshi 2024-10-08
11987068 Marking pen Yusuke Kobayashi, Toru Nakajima, Koji Takada 2024-05-21