KO

Ken Oikawa

SI Sumitomo Heavy Industries: 2 patents #5 of 55Top 10%
Ricoh Company: 1 patents #673 of 1,584Top 45%
Overall (2019): #81,649 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10456706 Cryopump 2019-10-29
10359034 Cryopump 2019-07-23
10180642 Pressure device, image forming apparatus, and method of controlling pressure device Minoru Takahashi 2019-01-15