RK

Ryuzi Kuramitsu

SC Seibu Giken Co.: 1 patents #13 of 29Top 45%
Overall (All Time): #3,637,698 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6165254 Gas concentrator Yukito Kawakami, Hiroaki Izumi, Tetsuya Kimura 2000-12-26