YK

Yuuichiroh Kawamura

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 Chitose, JP: #27 of 51 inventorsTop 55%
Overall (All Time): #3,293,795 of 4,157,543Top 80%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7745988 3, 6-diphenylcarbazole compound and organic electroluminescent device Masaomi Sasaki, Masafumi Torii, Toshiya Sagisaka, Takashi Okada, Shinichi Kawamura +2 more 2010-06-29