Inventor

NAGAI YOUHEI

JP3 patents

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

NIDEC COPAL CORP

2 patents

US7310192B2Dec 18, 2007

Zoom lens

NIDEC COPAL CORP7 citations71

US7035024B2Apr 25, 2006

Imaging lens

NIDEC COPAL CORP3 citations60

YAMAHA CORP

1 patent

US5516981AMay 14, 1996

Musical instrument tuned in nineteen note temperament scale

YAMAHA CORP10 citations67