KI

Kazumasa Ibi

DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
📍 Kashima, JP: #83 of 143 inventorsTop 60%
Overall (All Time): #3,549,945 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6413917 Extreme-pressure additive, process for producing the same, cutting fluid, and grinding fluid Shigeru Yamada 2002-07-02