TO

Takamasa ONOKI

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #1,845,388 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11396451 Tungsten carbide powder and production method therefor Masato Michiuchi, Katsumi Okamura, Takayuki Fudo, Takehiko Hayashi 2022-07-26
11339096 Tungsten carbide powder Masato Michiuchi, Katsumi Okamura, Takayuki Fudo, Takehiko Hayashi 2022-05-24