TA

Toranosuke Ashizawa

HC Hitachi Chemical Company: 25 patents #15 of 1,946Top 1%
Overall (All Time): #165,062 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
8616936 Abrasive, method of polishing target member and process for producing semiconductor device Masato Yoshida, Hiroki Terazaki, Yuuto Ootuki, Yasushi Kurata, Jun Matsuzawa +1 more 2013-12-31
8162725 Abrasive, method of polishing target member and process for producing semiconductor device Masato Yoshida, Hiroki Terazaki, Yuuto Ootuki, Yasushi Kurata, Jun Matsuzawa +1 more 2012-04-24
8137159 Abrasive, method of polishing target member and process for producing semiconductor device Masato Yoshida, Hiroki Terazaki, Yuuto Ootuki, Yasushi Kurata, Jun Matsuzawa +1 more 2012-03-20
8075800 Polishing slurry and polishing method Naoyuki Koyama, Youichi Machii, Masato Yoshida, Masato Fukasawa 2011-12-13
8002860 CMP abrasive, method for polishing substrate and method for manufacturing semiconductor device using the same, and additive for CMP abrasive Naoyuki Koyama, Kouji Haga, Masato Yoshida, Keizou Hirai, Youiti Machii 2011-08-23
7963825 Abrasive, method of polishing target member and process for producing semiconductor device Masato Yoshida, Hiroki Terazaki, Yuuto Ootuki, Yasushi Kurata, Jun Matsuzawa +1 more 2011-06-21
7887609 Polishing slurry for polishing aluminum film and polishing method for polishing aluminum film using the same Hiroshi Ono, Yasuo Kamigata 2011-02-15
7871308 Abrasive, method of polishing target member and process for producing semiconductor device Masato Yoshida, Hiroki Terazaki, Yuuto Ootuki, Yasushi Kurata, Jun Matsuzawa +1 more 2011-01-18
7867303 Cerium oxide abrasive and method of polishing substrates Masato Yoshida, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa, Kiyohito Tanno +1 more 2011-01-11
7708788 Cerium oxide abrasive and method of polishing substrates Masato Yoshida, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa, Kiyohito Tanno +1 more 2010-05-04
7410409 Abrasive compound for CMP, method for polishing substrate and method for manufacturing semiconductor device using the same, and additive for CMP abrasive compound Naoyuki Koyama, Kouji Haga, Masato Yoshida, Keizou Hirai, Youiti Machii 2008-08-12
7163644 CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate Toshihiko Akahori, Keizo Hirai, Miho Kurihara, Masato Yoshida, Yasushi Kurata 2007-01-16
7115021 Abrasive, method of polishing target member and process for producing semiconductor device Masato Yoshida, Hiroki Terazaki, Yuuto Ootuki, Yasushi Kurata, Jun Matsuzawa +1 more 2006-10-03
6863700 Cerium oxide abrasive and method of polishing substrates Masato Yoshida, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa, Kiyohito Tanno +1 more 2005-03-08
6783434 CMP abrasive, liquid additive for CMP abrasive and method for polishing substrate Toshihiko Akahori, Keizo Hirai, Miho Kurihara, Masato Yoshida, Yasushi Kurata 2004-08-31
6615499 Method for producing cerium oxide, cerium oxide abrasive, method for polishing substrate using the same and method for manufacturing semiconductor device Jun Matsuzawa, Atsushi Sugimoto, Masato Yoshida, Keizou Hirai, Yuuto Ootsuki 2003-09-09
6358663 FLUORESCENT PATTERN, PROCESS FOR PREPARING THE SAME, ORGANIC ALKALI DEVELOPING SOLUTION FOR FORMING THE SAME, EMULSION DEVELOPING SOLUTION FOR FORMING THE SAME AND BACK PLATE FOR PLASMA DISPLAY USING THE SAME Naoki Kimura, Seiji Tai, Hiroyuki Tanaka, Takeshi Nojiri, Kazuya Satou +4 more 2002-03-19
6343976 Abrasive, method of polishing wafer, and method of producing semiconductor device Masato Yoshida, Hiroki Terazaki, Yuuto Ootuki, Yasushi Kurata, Jun Matsuzawa +1 more 2002-02-05
6232024 Fluorescent pattern, process for preparing the same, organic alkali developing solution for forming the same, emulsion developing solution for forming the same and back plate for plasma display using the same Naoki Kimura, Seiji Tai, Hiroyuki Tanaka, Takeshi Nojiri, Kazuya Satou +4 more 2001-05-15
6221118 Cerium oxide abrasive and method of polishing substrates Masato Yoshida, Hiroki Terazaki, Yasushi Kurata, Jun Matsuzawa, Kiyohito Tanno +1 more 2001-04-24
6194826 Process for preparing phosphor pattern, phosphor pattern prepared the same and back plate for plasma display panel Kazuya Satou, Hiroyuki Tanaka, Takeshi Nojiri, Naoki Kimura, Seiji Tai +2 more 2001-02-27
5238911 Oxide superconductor Bi--Sr--Ca--Mg--Ba--Cu--O Hidegi Kuwajima, Keiji Sumiya, Shuichiro Shimoda, Minoru Ishihara, Shozo Yamana 1993-08-24
5194421 Bi-Pb-Sr-Mg-Ba-Ca-Cu-O oxide superconductors and production thereof Shuichiro Shimoda, Keiji Sumiya, Hideji Kuwajima, Minoru Ishihara, Shozo Yamana 1993-03-16
5147851 Superconducting thick film circuit board, production thereof, thick film superconductor and production thereof Shozo Yamana, Hideji Kuwajima, Minoru Ishihara, Keiji Sumiya, Shuichiro Shimoda 1992-09-15
4542110 Process for producing zirconium oxide sintered body Takao Nakada, Mamoru Kamimura 1985-09-17