TK

Tamotsu Kotani

OC Osaka Gas Co.: 1 patents #1 of 19Top 6%
Overall (2018): #221,531 of 503,207Top 45%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10124287 Gas concentration method Hiroshi Tanaka, Yukio Fujiwara 2018-11-13