YS

Yoshika Sekine

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
📍 Tsukuba, JP: #1,768 of 2,818 inventorsTop 65%
Overall (All Time): #3,670,413 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5997829 Environment purifying material Kenji Tonoki, Tatsuya Uchida, Yasuo Miyadera, Hiroyuki Kawada, Takayuki Senda 1999-12-07