RS

Riichiro Shirota

KT Kabushiki Kaisha Toshiba: 13 patents #8 of 1,959Top 1%
Overall (2005): #491 of 245,428Top 1%
13
Patents 2005

Issued Patents 2005

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6977409 Flash memory having memory section and peripheral circuit section Kikuko Sugimae, Masayuki Ichige, Atsuhiro Sato, Hiroaki Hazama 2005-12-20
6967892 Non-volatile semiconductor memory device and memory system using the same Tomoharu Tanaka, Masaki Momodomi, Hideo Kato, Hiroto Nakai, Yoshiyuki Tanaka +8 more 2005-11-22
6940752 Nonvolatile semiconductor memory device Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Fumitaka Arai, Susumu Fujimura 2005-09-06
6927998 Nonvolatile semiconductor memory device capable of reducing threshold voltage variations of memory cells due to capacitance coupling Yuji Takeuchi 2005-08-09
6927449 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2005-08-09
6925008 Non-volatile semiconductor memory device with a memory unit including not more than two memory cell transistors Masayuki Ichige, Kikuko Sugimae 2005-08-02
6921960 Capacitor element with an opening portion formed in a peripheral circuit Masayuki Ichige, Kikuko Sugimae, Atsuhiro Sato, Yuji Takeuchi 2005-07-26
6894341 Semiconductor device and manufacturing method Kikuko Sugimae, Hiroyuki Kutsukake, Masayuki Ichige, Michiharu Matsui, Yuji Takeuchi 2005-05-17
6878985 Nonvolatile semiconductor memory device having a memory cell that includes a floating gate electrode and control gate electrode Fumitaka Arai, Toshitake Yaegashi, Akira Shimizu, Yasuhiko Matsunaga, Masayuki Ichige +1 more 2005-04-12
6868010 Semiconductor memory device having row decoder in which high-voltage-applied portion is located adjacent to low-voltage-applied portion Akira Shimizu, Fumitaka Arai 2005-03-15
6859394 NAND type non-volatile semiconductor memory device Yasuhiko Matsunaga, Toshitake Yaegashi, Fumitaka Arai 2005-02-22
6853029 Non-volatile semiconductor memory device with multi-layer gate structure Masayuki Ichige, Yuji Takeuchi, Michiharu Matsui, Atsuhiro Sato, Kikuko Sugimae 2005-02-08
6845042 Nonvolatile semiconductor memory, fabrication method for the same, semiconductor integrated circuits and systems Masayuki Ichige, Koji Hashimoto, Tatsuaki Kuji, Seiichi Mori, Yuji Takeuchi +1 more 2005-01-18