TH

Tomoyuki Hirai

OC Osaka Gas Co.: 1 patents #1 of 19Top 6%
Overall (2018): #209,699 of 503,207Top 45%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9866022 Power supply system Kunihiro Nakao, Koji Yakire, Satoshi Nagata 2018-01-09