Inventor

YAMADA ETSUYO

JP3 patents

⚠️ This page may combine multiple inventors who share the name “YAMADA ETSUYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC MITSUBISHI ELECTRIC VISUAL

1 patent

USD468739SJan 14, 2003

Computer display

NEC MITSUBISHI ELECTRIC VISUAL2 citations59

PENTEL KABUSHIKI KAUSHA

1 patent

USD593606SJun 2, 2009

Ballpoint pen

PENTEL KABUSHIKI KAUSHA5 citations53

YAMADA KK

1 patent

US12239598B2Mar 4, 2025

Walking assistance device

YAMADA KK0 citations47