AA

Akio Ashida

SC Shin-Etsu Handotai Co.: 3 patents #210 of 679Top 35%
MC Mimasu Semiconductor Industry Co.: 1 patents #10 of 17Top 60%
SI Super Silicon Crystal Research Institute: 1 patents #17 of 32Top 55%
Overall (All Time): #1,273,276 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6422067 Slurry useful for wire-saw slicing and evaluation of slurry Hiroshi Oishi, Keiichiro Asakawa, Junichi Matsuzaki 2002-07-23
6221814 Aqueous compositions, aqueous cutting fluid using the same, method for preparation thereof, and cutting method using the cutting fluid Shingo Kaburagi, Etsuo Kiuchi 2001-04-24
6001265 Recovery of coolant and abrasive grains used in slicing semiconductor wafers Kohei Toyama, Etsuo Kiuchi, Kazuo Hayakawa, Shingo Kaburagi, Takara Ito +1 more 1999-12-14
5693596 Cutting fluid, method for production thereof, and method for cutting ingot Shingo Kaburagi, Etsuo Kiuchi, Kazuo Hayakawa, Kohei Toyama 1997-12-02