YI

Yu Ishii

EB Ebara: 5 patents #12 of 168Top 8%
Overall (2017): #23,752 of 506,227Top 5%
5
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9821429 Polishing pad and chemical mechanical polishing apparatus for polishing a workpiece, and method of polishing a workpiece using the chemical mechanical polishing apparatus Kenya Ito, Shozo TAKAHASHI, Mika Suzuki 2017-11-21
9808836 Substrate processing apparatus Tetsuji Togawa, Kenya Ito, Keisuke Uchiyama 2017-11-07
9808903 Method of polishing back surface of substrate and substrate processing apparatus Kenya Ito, Masayuki Nakanishi, Tetsuji Togawa 2017-11-07
9566616 Substrate processing apparatus Tetsuji Togawa, Kenya Ito, Keisuke Uchiyama 2017-02-14
D777546 Work holder for polishing apparatus Kenya Ito, Hirohiko Ueda 2017-01-31