NM

Naoaki Matsui

Sumitomo Electric Industries: 2 patents #504 of 3,352Top 20%
Overall (2002): #48,749 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6359243 Multi-directional operating switch and electronic device using the same Yoshiyuki Nakade, Hitokazu Shitanaka, Shigeyoshi Umezawa 2002-03-19
6341969 Rotary connector Ryoichi Taniuchi, Yoshiyuki Nakade, Takeo Nakamura, Ichiro Tateishi 2002-01-29