RO

Ryuta Ohsuka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
SC Sumitomo Electric Printed Circuits: 3 patents #34 of 116Top 30%
MC Mec Company: 2 patents #25 of 88Top 30%
Overall (All Time): #1,340,936 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12371798 Regenerating method of removal liquid and regenerated removal liquid preliminary Koji Nitta, Shoichiro Sakai, Yoshihito Yamaguchi, Masaharu Yasuda, Akira TSUCHIKO +3 more 2025-07-29
12144122 Method of manufacturing printed circuit board Shoichiro Sakai, Koji Nitta, Yoshihito Yamaguchi, Masaharu Yasuda, Akira TSUCHIKO +3 more 2024-11-12
11013124 Printed circuit board and method of manufacturing printed circuit board Koji Nitta, Shoichiro Sakai, Junichi Okaue 2021-05-18