RS

Riichiro Shirota

KT Kabushiki Kaisha Toshiba: 155 patents #33 of 21,451Top 1%
UM United Microelectronics: 11 patents #537 of 4,560Top 15%
UN Unknown: 6 patents #2,010 of 83,584Top 3%
PT Powerchip Technology: 4 patents #10 of 138Top 8%
UP Unisantis Electronics Singapore Pte.: 4 patents #14 of 31Top 50%
Toshiba Memory: 2 patents #853 of 1,971Top 45%
PE Phison Electronics: 2 patents #111 of 344Top 35%
Kioxia: 1 patents #1,054 of 1,813Top 60%
Overall (All Time): #3,710 of 4,157,543Top 1%
191
Patents All Time

Issued Patents All Time

Showing 51–75 of 191 patents

Patent #TitleCo-InventorsDate
7875922 Nonvolatile semiconductor memory and process of producing the same Fumitaka Arai 2011-01-25
7855918 Method for programming a memory structure Ching-Hsiang Hsu, Cheng-Jye Liu 2010-12-21
7791948 Channel carrier discharging in a NAND flash memory on an insulating substrate or layer Fumitaka Arai 2010-09-07
7755134 Nonvolatile semiconductor memory device Masaru Kito, Nobutoshi Aoki, Masaru Kidoh, Ryota Katsumata, Masaki Kondo +6 more 2010-07-13
7746707 Nonvolatile semiconductor memory device Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Fumitaka Arai, Susumu Fujimura 2010-06-29
7696559 Semiconductor memory device including pillar-shaped semiconductor layers and a method of fabricating the same Fumitaka Arai, Makoto Mizukami 2010-04-13
7616491 Semiconductor memory device improved in data writing Takeshi Kamigaichi 2009-11-10
7573092 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2009-08-11
7569879 Nonvolatile semiconductor memory device and manufacturing method thereof Atsuhiro Kinoshita, Hiroshi Watanabe, Kenichi Murooka, Junji Koga 2009-08-04
7563664 Semiconductor memory device equipped with memory transistor and peripheral transistor and method of manufacturing the same Masayuki Ichige, Kikuko Sugimae 2009-07-21
7539055 Non-volatile semiconductor memory and method for controlling a non-volatile semiconductor memory Toshiyuki Enda, Hiroyoshi Tanimoto, Naoki Kusunoki, Nobutoshi Aoki, Fumitaka Arai 2009-05-26
7538380 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2009-05-26
7528447 Non-volatile semiconductor memory and method for controlling a non-volatile semiconductor memory Toshiyuki Enda, Hiroyoshi Tanimoto, Naoki Kusunoki, Nobutoshi Aoki, Fumitaka Arai 2009-05-05
7521749 Nonvolatile semiconductor memory device including improved gate electrode Fumitaka Arai, Yasuhiko Matsunaga, Makoto Sakuma, Akira Shimizu 2009-04-21
7504294 Method of manufacturing an electrically erasable programmable read-only memory (EEPROM) Kikuko Sugimae, Hiroyuki Kutsukake, Masayuki Ichige, Michiharu Matsui, Yuji Takeuchi 2009-03-17
7498630 Nonvolatile semiconductor memory Masayuki Ichige, Koji Hashimoto, Tatsuaki Kuji, Seiichi Mori, Yuji Takeuchi +1 more 2009-03-03
7459748 Semiconductor memory device Fumitaka Arai, Toshiyuki Enda, Hiroyoshi Tanimoto, Naoki Kusunoki, Nobutoshi Aoki +3 more 2008-12-02
7449745 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2008-11-11
7442985 Semiconductor memory device having memory cell section and peripheral circuit section and method of manufacturing the same Masayuki Ichige, Yuji Takeuchi, Kikuko Sugimae 2008-10-28
7417281 Semiconductor device with a selection gate and a peripheral gate Kikuko Sugimae, Hiroyuki Kutsukake, Masayuki Ichige, Michiharu Matsui, Yuji Takeuchi 2008-08-26
7411826 Semiconductor integrated circuit device Masayuki Ichige, Kikuko Sugimae 2008-08-12
7408811 NAND-type flash memory on an SOI substrate with a carrier discharging operation Fumitaka Arai 2008-08-05
7393748 Method of fabricating a semiconductor memory device Fumitaka Arai, Toshiyuki Enda, Hiroyoshi Tanimoto, Naoki Kusunoki, Nobutoshi Aoki +2 more 2008-07-01
7364951 Nonvolatile semiconductor memory device and method for manufacturing the same Akira Goda, Kazuhiro Shimizu, Hiroaki Hazama, Hirohisa Iizuka, Seiichi Aritome +1 more 2008-04-29
7361951 Flash memory having memory section and peripheral circuit section Kikuko Sugimae, Masayuki Ichige, Atsuhiro Sato, Hiroaki Hazama 2008-04-22