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Norihisa Arai

KT Kabushiki Kaisha Toshiba: 30 patents #831 of 21,451Top 4%
Overall (All Time): #125,159 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
9705009 Semiconductor device Tsutomu Takahashi, Kazunori Masuda, Kazuo Hatakeyama 2017-07-11
9576881 Semiconductor device Masayuki Akou, Keisuke Murayama 2017-02-21
9147641 Semiconductor device Tsutomu Takahashi, Kazuo Hatakeyama, Kazuki Uchino 2015-09-29
8399953 Semiconductor device and method for manufacturing the same Hiroyuki Kutsukake, Kenji Gomikawa, Yoshiko Kato, Tomoaki Hatano 2013-03-19
8390076 Semiconductor device and manufacturing method thereof Atsuhiro Suzuki, Hiroshi SHIMODE, Takeshi Shimane, Minori Kajimoto 2013-03-05
8013381 Semiconductor device Norio Magome, Toshifumi Minami, Tomoaki Hatano 2011-09-06
7813179 Semiconductor memory device having plural word lines arranged at narrow pitch and manufacturing method thereof 2010-10-12
7238563 Semiconductor device having isolation region and method of manufacturing the same Takeshi Nakano, Koki Ueno, Akira Shimizu 2007-07-03
7087960 Semiconductor device including impurities in substrate via MOS transistor gate electrode and gate insulation film 2006-08-08
6927116 Semiconductor device having a double-well structure and method for manufacturing the same 2005-08-09
6828627 Semiconductor device Akira Goda, Kazuhiro Shimizu, Riichiro Shirota, Naoki Koido, Seiichi Aritome +3 more 2004-12-07
6703669 Semiconductor device having serially connected memory cell transistors provided between two current terminals Akira Goda, Kazuhiro Shimizu, Riichiro Shirota, Naoki Koido, Seiichi Aritome +3 more 2004-03-09
6699726 Semiconductor device and method for the manufacture thereof Osamu Hidaka, Sumito Ootsuki, Hiroshi Mochizuki, Hiroyuki Kanaya, Kumi Okuwada +2 more 2004-03-02
6680230 Semiconductor device and method of fabricating the same Fumitaka Arai, Seiichi Aritome, Akira Shimizu, Riichiro Shirota 2004-01-20
6656800 Method of manufacturing semiconductor device including process for implanting impurities into substrate via MOS transistor gate electrode and gate insulation film 2003-12-02
6534867 Semiconductor device, semiconductor element and method for producing same Eiji Kamiya, Toshitake Yaegashi, Kazuhiro Shimizu, Riichiro Shirota, Yuji Takeuchi 2003-03-18
6521927 Semiconductor device and method for the manufacture thereof Osamu Hidaka, Sumito Ootsuki, Hiroshi Mochizuki, Hiroyuki Kanaya, Kumi Okuwada +2 more 2003-02-18
6461921 Semiconductor device having channel stopper portions integrally formed as part of a well 2002-10-08
6342719 Semiconductor device having a double-well structure and method for manufacturing the same 2002-01-29
6333548 Semiconductor device with etch stopping film Tomoko Yamane 2001-12-25
6111295 Semiconductor device having channel stopper portions integrally formed as part of a well 2000-08-29
6084283 Semiconductor device and method of manufacturing the same 2000-07-04
6034567 Semiconductor integrated circuit device provided with a differential amplifier Akira Umezawa, Shigeru Atsumi, Hironori Banba, Ryo Sudo 2000-03-07
6020229 Semiconductor device method for manufacturing Tomoko Yamane 2000-02-01
5962891 Nonvolatile semiconductor memory device 1999-10-05