HO

Hisashi Okada

NS Nippon Gakki Seizo: 1 patents #26 of 72Top 40%
Overall (1982): #58,542 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4345322 Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk Kenshiro Aizawa 1982-08-17