Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YI

Yu Ishii — 32 Patents

EBEbara: 32 patents #48 of 1,611Top 3%
Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
FIFujimi Incorporated: 1 patents #125 of 216Top 60%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
Overall (All Time): #111,803 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
9067296 Polishing method Katsutoshi Ono, Hisanori Matsuo, Kuniaki Yamaguchi 2015-06-30
8360817 Polishing apparatus and polishing method Yoichi Shiokawa, Jyoji Heianna, Hisanori Matsuo 2013-01-29
7837534 Apparatus for heating or cooling a polishing surface of a polishing apparatus Shunichi Aiyoshizawa, Ryuichi Kosuge, Ryo Kato 2010-11-23
7291057 Apparatus for polishing a substrate Norio Kimura, Hirokuni Hiyama, Katsuya Okumura, Hiroyuki Yano 2007-11-06
6609950 Method for polishing a substrate Norio Kimura, Hirokuni Hiyama, Katsuya Okumura, Hiroyuki Yano 2003-08-26
6544111 Polishing apparatus and polishing table therefor Norio Kimura 2003-04-08
6186872 Polisher Norio Kimura 2001-02-13