YY

Yasufumi Yamada

Ricoh Company: 14 patents #1,578 of 9,818Top 20%
NT NTT: 8 patents #658 of 4,871Top 15%
RI Riken: 5 patents #128 of 1,824Top 8%
DE Denso: 3 patents #3,857 of 11,792Top 35%
NC Nippondenso Co.: 2 patents #1,150 of 3,479Top 35%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
NE Ntt Electronics: 1 patents #160 of 358Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #129,973 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5036263 Piezoelectric actuator driving apparatus Yasutaka Nakamori, Kiyomitsu Kozawa, Yoshimi Natsume 1991-07-30
4750799 Hybrid optical integrated circuit Masao Kawachi, Mitsuho Yasu, Hiroshi Terui, Morio Kobayashi 1988-06-14
4749897 Driving device for piezoelectric element Yoshimi Natsume, Yasutaka Nakamori, Yasuyuki Sakakibara 1988-06-07
4735677 Method for fabricating hybrid optical integrated circuit Masao Kawachi, Mitsuho Yasu, Hiroshi Terui, Morio Kobayashi 1988-04-05