KK

Katsuhiko Kawakami

JE Jxtg Nippon Oil & Energy: 1 patents #10 of 36Top 30%
SC Softard Industries Co.: 1 patents #1 of 9Top 15%
Overall (2018): #350,843 of 503,207Top 70%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10130978 Cleaning method of oil tank and cleaning device of same Guiqing Xu, Masayuki Kidokoro, Yasuo Uchida, Masanao Kato, Masanao Mitsuhata +3 more 2018-11-20