NK

Nobuaki Koyama

NC Nhk Spring Co.: 2 patents #370 of 1,116Top 35%
SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #1,970,854 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9538648 Liquid composition and metal-based circuit board Ryo Miyakoshi, Takeshi Kondo, Kazuhiko Konomi 2017-01-03
8535809 Electrical insulating resin composition, and laminate for circuit board Hideto Komurasaki, Tomoyuki Itou, Kouichi Kusakawa 2013-09-17