SN

Shigeyoshi Nakayama

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
DC Daiwa Fine Chemicals Co.: 2 patents #10 of 33Top 35%
SC Sumitomo Electric Printed Circuits: 2 patents #48 of 116Top 45%
Overall (All Time): #1,178,487 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10292265 Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board Takashi Kasuga, Yoshio Oka, Shigeaki UEMURA, Jinjoo Park, Sumito Uehara +2 more 2019-05-14
10076032 Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board Takashi Kasuga, Yoshio Oka, Jinjoo Park, Sumito Uehara, Kousuke Miura +1 more 2018-09-11
6852210 Plating method and plating bath precursor used therefor Keigo Obata, Dong Hyun Kim, Takao Takeuchi, Seiichiro Nakao, Shinji Inazawa +2 more 2005-02-08
6338787 Redox system electroless plating method Keigo Obata, Dong Hyun Kim, Takao Takeuchi, Seiichiro Nakao, Shinji Inazawa +2 more 2002-01-15