TY

Tomoyuki Yamamura

KP Kabushiki Kaisha Pilot: 1 patents #85 of 160Top 55%
PL Pilot Ink Company, Limited: 1 patents #64 of 110Top 60%
📍 Miyoshi, JP: #1,404 of 2,464 inventorsTop 60%
Overall (All Time): #2,641,387 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

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