TO

Tomonari Ohtsuki

DK Daiichi Denshi Kogyo Kabushiki Kaisha: 2 patents #1 of 9Top 15%
📍 Itabashi, JP: #2 of 13 inventorsTop 20%
Overall (1989): #13,968 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4843221 Electronic card receiving device Yoshiaki Igarashi, Toru Uno, Yoshiaki Tanaka 1989-06-27
4797122 Drip-proof connector Sadao Kuboi 1989-01-10