KN

Keiko Nii

Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
Overall (All Time): #1,942,970 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D861874 Medical oxygen concentrator Taku Hirano, Masanori Suda, Keisuke Hatta 2019-10-01
D854161 Medical oxygen concentrator Masanori Suda, Taku Hirano, Keisuke Hatta 2019-07-16