FO

Fumio Ota

NS Nippon Steel: 4 patents #672 of 4,423Top 20%
VF Vallourec Oil And Gas France: 4 patents #24 of 144Top 20%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #628,108 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10883632 Threaded joint for steel pipes Yousuke Oku, Masaaki Sugino 2021-01-05
10774598 Threaded joint for steel pipes Keita Inose, Shin Ugai, Suguru Yamaguchi, Masaaki Sugino 2020-09-15
10774958 Threaded joint for steel pipe Keita Inose, Masaaki Sugino 2020-09-15
10473241 Threaded joint for steel pipes Keita Inose, Shin Ugai, Masaaki Sugino 2019-11-12
7699938 Cleaning method and dishwasher using same Hiroyuki Fujii, Yasuyuki Nukina, Yuko Omura 2010-04-20
6247339 Washing machine Yoshitoyo Kenjo, Hiroyuki Fujii 2001-06-19
6134925 Washing machine Hiroyuki Fujii, Yuko Omura, Shunji Imai 2000-10-24
6058743 Washing machine Hiroyuki Fujii, Yuko Omura 2000-05-09