YR

Yasunobu Roppongi

NC Nippon Chemi-Con: 1 patents #97 of 199Top 50%
SD Showa Denko: 1 patents #231 of 593Top 40%
Overall (All Time): #3,944,200 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4889536 Roll type solid electrolyte capacitor Kazumi Naitoh, Yoshiaki Arakawa, Takashi Ikezaki, Shoji Yabe, Yutaka Yokoyama +1 more 1989-12-26