Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KI

Kenya Ito — 88 Patents

EBEbara: 50 patents #21 of 1,611Top 2%
Hitachi: 14 patents #2,892 of 28,497Top 15%
CHChisso: 11 patents #75 of 833Top 10%
JNJnc: 8 patents #37 of 413Top 9%
Kabushiki Kaisha Toshiba: 6 patents #4,930 of 21,451Top 25%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
SCSumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
NCNihon Micro Coating Co.: 1 patents #29 of 68Top 45%
HGHGST: 1 patents #1,167 of 1,677Top 70%
FIFujimi Incorporated: 1 patents #125 of 216Top 60%
Tokyo, JP: #589 of 90,295 inventorsTop 1%
Overall (All Time): #18,739 of 4,157,543Top 1%
88 Patents All Time
Kenya Ito has been granted 88 US patents while listed as an inventor at Ebara. The first was granted in 1999 and the most recent in September 2022. Kenya Ito ranks #18,739 of 4,157,543 US inventors in our database (top 0.45%). Patent records list Kenya Ito in Tokyo, JP.

Issued Patents All Time

Showing 1–25 of 88 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11446784 Chemical mechanical polishing apparatus for polishing workpiece Yu Ishii, Hitoshi Morinaga, Kazusei Tamai, Shingo OHTSUKI, Hiroshi Asano 2022-09-20 $16,056,000
11396714 Treatment device, plating apparatus including the same, conveying device, and treatment method Hirohiko Ueda 2022-07-26 $16,337,000
11192147 Substrate processing apparatus and substrate processing method Yu Ishii, Hiroyuki Kawasaki, Kenichi Nagaoka 2021-12-07
10926376 Method and apparatus for polishing a substrate, and method for processing a substrate Masayuki Nakanishi, Yu Ishii, Keisuke Uchiyama, Makoto Kashiwagi 2021-02-23
10854473 Polishing method, polishing apparatus, and substrate processing system Yu Ishii, Keisuke Uchiyama, Masayuki Nakanishi 2020-12-01
10799917 Substrate processing apparatus and substrate processing method Yu Ishii, Hiroyuki Kawasaki, Kenichi Nagaoka, Masako Kodera, Hiroshi Tomita +1 more 2020-10-13
10739647 Sealant for liquid crystal sealing, and liquid crystal display device Masanobu Mizusaki, Hiroshi Tsuchiya 2020-08-11
10696865 Laminated film Hiroyuki Iizuka, Shino SATO, Yasuhiro Shiraishi 2020-06-30
10513586 Coating agent, coating film, laminate and surface-protected article Kyoko KONDO, Hiroyuki Iizuka, Aki Kuromatsu 2019-12-24
10449705 Transfer film for in-mold molding, method for producing in-mold molded product, and molded product Koji Ohguma 2019-10-22
10403505 Substrate processing method and substrate processing apparatus Masaya Seki, Kenichi Kobayashi, Michiyoshi YAMASHITA 2019-09-03
10328465 Substrate processing apparatus and substrate processing method Yu Ishii, Hiroyuki Kawasaki, Kenichi Nagaoka, Masako Kodera, Hiroshi Tomita +1 more 2019-06-25
D845568 Pad holder for polishing apparatus Yu Ishii, Hirohiko Ueda 2019-04-09
10155294 Polishing apparatus and polishing method Masaya Seki, Tetsuji Togawa 2018-12-18
10134614 Substrate peripheral portion measuring device, and substrate peripheral portion polishing apparatus Mitsuo Tada, Yasunari Suto, Hirofumi Ichihara, Tamami Takahashi 2018-11-20
10022799 Silver powder and method for producing same Yoshihiro Okabe, Shuuji Okada, Masamu Nishimoto, Akihiro Murakami, Shintaro Ishikawa 2018-07-17
10016875 Abrasive film fabrication method and abrasive film Yu Ishii, Hiroyuki Kawasaki, Masayuki Nakanishi 2018-07-10
9914196 Polishing apparatus and polishing method Masaya Seki, Tetsuji Togawa 2018-03-13
9821429 Polishing pad and chemical mechanical polishing apparatus for polishing a workpiece, and method of polishing a workpiece using the chemical mechanical polishing apparatus Yu Ishii, Shozo TAKAHASHI, Mika Suzuki 2017-11-21
9808836 Substrate processing apparatus Tetsuji Togawa, Yu Ishii, Keisuke Uchiyama 2017-11-07
9808903 Method of polishing back surface of substrate and substrate processing apparatus Yu Ishii, Masayuki Nakanishi, Tetsuji Togawa 2017-11-07
9751286 Weather-resistant multilayer film Akiko Yoda, Koji Ohguma, Mikio Yamahiro 2017-09-05
9738483 Tape sticking apparatus and tape sticking method Keisuke Uchiyama, Tomiichi Matsui, Mahito SHIBUYA 2017-08-22
9566616 Substrate processing apparatus Tetsuji Togawa, Yu Ishii, Keisuke Uchiyama 2017-02-14
D777546 Work holder for polishing apparatus Yu Ishii, Hirohiko Ueda 2017-01-31