EY

Etsuyo Yamada

NS Nec—Mitsubishi Electric Visual Systems: 1 patents #22 of 44Top 50%
YC Yamada Co.: 1 patents #7 of 17Top 45%
Overall (All Time): #1,320,001 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12239598 Walking assistance device Yoshihiro Yamada 2025-03-04
D593606 Ballpoint pen Shigeo Oka, Rika Tezuchi 2009-06-02
D468739 Computer display Kenichi Hasegawa, Masami Uehara 2003-01-14