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Tomoyuki Yamamura

KP Kabushiki Kaisha Pilot: 1 patents #4 of 20Top 20%
PL Pilot Ink Company, Limited: 1 patents #1 of 4Top 25%
📍 Miyoshi, JP: #99 of 324 inventorsTop 35%
Overall (2022): #225,317 of 548,613Top 45%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11267978 Reversibly thermochromic aqueous ink composition and writing instrument using the same Katsuyuki Fujita, Yasuaki Kambe, Masayuki MITA 2022-03-08