KO

Ken Oikawa

SI Sumitomo Heavy Industries: 2 patents #4 of 49Top 9%
Ricoh Company: 1 patents #815 of 1,810Top 50%
Overall (2017): #70,951 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9836004 Pressurizing device, image forming apparatus, and control, method for pressurizing device Minoru Takahashi 2017-12-05
9789420 Cold trap and mounting structure of cold trap 2017-10-17
9737828 Cryopump having inlet cryopanel extension 2017-08-22