NK

Nozomu Katsumata

KC Kokusan Denki Co.: 2 patents #45 of 128Top 40%
Overall (All Time): #1,951,688 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9941728 Battery charging device Shuichi Muramatsu, Masaki Asari, Tomoya Tamakawa, Akinari Ueki 2018-04-10
8736233 Power source device Shuichi Muramatsu, Ryosuke Tonooka, Shinji Komatsu, Masaki Asari, Hirofumi Yamaguchi 2014-05-27