SY

Shigeru Yamada

DC Dainichiseika Color & Chemicals Mfg. Co.: 1 patents #1 of 4Top 25%
NS Nippon Gakki Seizo: 1 patents #26 of 72Top 40%
UC Ukima Colour & Chemicals Mfg. Co.: 1 patents #1 of 4Top 25%
Overall (1982): #7,718 of 81,411Top 10%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4351220 Electronic musical instrument of digital processing type Kiyoshi Ichikawa 1982-09-28
4319006 Polyamideimide-esterimide heat resistant resin and electric insulating varnish Tadao Ikeda 1982-03-09