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Yasuyuki Yoshimura

SP Sakura Color Products: 2 patents #2 of 5Top 40%
📍 Ibaraki, JP: #55 of 576 inventorsTop 10%
Overall (1994): #15,847 of 165,921Top 10%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5350633 Thermochromic composition Masaaki Sumii, Fumiko Sakai 1994-09-27
5350634 Thermochromic composition Masaaki Sumii, Fumiko Sakai 1994-09-27