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

Itsuki Kobata — 41 Patents

EBEbara: 41 patents #35 of 1,611Top 3%
UNUnknown: 5 patents #3,065 of 83,584Top 4%
Overall (All Time): #75,274 of 4,157,543Top 2%
41 Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
8133380 Method for regenerating ion exchanger Takayuki Saito, Tsukuru Suzuki, Yuji Makita, Kaoru Yamada, Masayuki Kumekawa +5 more 2012-03-13
7960188 Polishing method Shinrou Ohta, Mitsuo Tada, Noburu Shimizu, Yoichi Kobayashi, Taro Takahashi +3 more 2011-06-14
7655118 Electrolytic processing apparatus and method Mitsuhiko Shirakashi, Masayuki Kumekawa, Hozumi Yasuda, Osamu Nabeya 2010-02-02
7638030 Electrolytic processing apparatus and electrolytic processing method Osamu Nabeya, Masayuki Kumekawa, Hozumi Yasuda, Takeshi Iizumi, Nobuyuki Takada +7 more 2009-12-29
7578920 Electrolytic processing method Ikutaro Noji, Hozumi Yasuda, Takeshi Iizumi, Kazuto Hirokawa 2009-08-25
7569135 Electrolytic processing apparatus and substrate processing apparatus and method Mitsuhiko Shirakashi, Masayuki Kumekawa, Hozumi Yasuda, Ikutaro Noji, Kaori Yoshida 2009-08-04
7527723 Electrolytic processing apparatus and electrolytic processing method Yutaka Wada, Hirokuni Hiyama, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki +1 more 2009-05-05
7476303 Electrolytic processing apparatus and electrolytic processing method Hozumi Yasuda, Ikutaro Noji, Kazuto Hirokawa, Takeshi Iizumi 2009-01-13
7427345 Method and device for regenerating ion exchanger, and electrolytic processing apparatus Takayuki Saito, Tsukuru Suzuki, Yuji Makita, Kaoru Yamada, Masayuki Kumekawa +5 more 2008-09-23
7255778 Electrochemical machining method and apparatus Yuzo Mori, Mitsuhiko Shirakashi, Yasushi Toma, Takayuki Saito 2007-08-14
7208076 Substrate processing apparatus and method Mitsuhiko Shirakashi, Masayuki Kumekawa, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki +3 more 2007-04-24
7101465 Electrolytic processing device and substrate processing apparatus Mitsuhiko Shirakashi, Masayuki Kumekawa, Takayuki Saito, Yasushi Toma, Tsukuru Suzuki +3 more 2006-09-05
6875335 Electrolytic machining method and apparatus Yuzo Mori, Mitsuhiko Shirakashi, Takayuki Saito, Yasushi Toma, Akira Fukunaga 2005-04-05
6743349 Electrochemical machining method and apparatus Yuzo Mori, Mitsuhiko Shirakashi, Yasushi Toma, Takayuki Saito 2004-06-01
6602396 Electrolytic machining method and apparatus Yuzo Mori, Mitsuhiko Shirakashi, Takayuki Saito, Yasushi Toma, Akira Fukunaga 2003-08-05
6368493 Electrolytic machining method and apparatus Yuzo Mori, Mitsuhiko Shirakashi, Takayuki Saito, Yasushi Toma, Akira Fukunaga 2002-04-09