SJ

Shigetoshi Jogan

SK Showa Denko K.K.: 1 patents #22 of 119Top 20%
Overall (2019): #274,146 of 560,194Top 50%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10228115 Lighting apparatus for raising natural lawn grass Hiroshi Ogata, Kouichi Ishitaka 2019-03-12