Inventor

AOKI NAOHISA

3 patents

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

NIPPON COLUMBIA

2 patents

US4101133AJul 18, 1978

Pickup tone arm

NIPPON COLUMBIA5 citations60

US4488284ADec 11, 1984

Moving-coil type pickup cartridge

NIPPON COLUMBIA3 citations49

NIPPON COLUMBIA COMPANY LTD

1 patent

US4455639AJun 19, 1984

Moving coil type pickup cartridge

NIPPON COLUMBIA COMPANY LTD0 citations31