YF

Yukio Fujiwara

OC Osaka Gas Co.: 1 patents #1 of 19Top 6%
Ricoh Company: 1 patents #807 of 1,821Top 45%
Overall (2018): #86,479 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10124287 Gas concentration method Hiroshi Tanaka, Tamotsu Kotani 2018-11-13
9874916 Device registration apparatus and device registration method Hidenori Tomono, Hideaki Aratani 2018-01-23