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 26–50 of 191 patents

Patent #TitleCo-InventorsDate
9450181 Semiconductor memory and method of manufacturing the same Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Fumitaka Arai 2016-09-20
9349462 Flash memory and programming method thereof 2016-05-24
9214242 Programming method for NAND flash memory device to reduce electrons in channels Takashi Miida, Hideki Arakawa, Ching-Sung Yang, Tzung Ling Lin 2015-12-15
9136004 Semiconductor memory device and programming method for flash memory for improving reliabilty of insulating layer of memory cell 2015-09-15
9123418 NAND flash memory unit and NAND flash memory array Wei-Hung Lin, Nina Mitiukhina, Tsai-Hao Kuo 2015-09-01
9064580 Nonvolatile semiconductor memory device and write-in method thereof Makoto Senoo, Hideki Arakawa 2015-06-23
9059300 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2015-06-16
8766373 Semiconductor memory and method of manufacturing the same Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Fumitaka Arai 2014-07-01
8755227 NAND flash memory unit, NAND flash memory array, and methods for operating them Wei-Hung Lin, Nina Mitiukhina, Tsai-Hao Kuo 2014-06-17
8637915 Nonvolatile semiconductor memory Masayuki Ichige, Fumitaka Arai, Toshitake Yaegashi, Yoshio Ozawa, Akihito Yamamoto +2 more 2014-01-28
8599614 Programming method for NAND flash memory device to reduce electrons in channels Takashi Miida, Hideki Arakawa, Ching-Sung Yang, Tzung Ling Lin 2013-12-03
8421143 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2013-04-16
8405139 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2013-03-26
8324679 Nonvolatile semiconductor memory Masayuki Ichige, Fumitaka Arai, Toshitake Yaegashi, Yoshio Ozawa, Akihito Yamamoto +2 more 2012-12-04
8274827 Memory device and operating method thereof Te-Chang Tseng 2012-09-25
8223541 Non-volatile semiconductor memory, and the method thereof 2012-07-17
8223558 Nonvolatile semiconductor memory device Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Fumitaka Arai, Susumu Fujimura 2012-07-17
8148216 Nonvolatile semiconductor memory and process of producing the same Fumitaka Arai 2012-04-03
8048741 Semiconductor memory device and method of fabricating the same Fumitaka Arai, Makoto Mizukami 2011-11-01
8008732 Semiconductor memory and method of manufacturing the same Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Fumitaka Arai 2011-08-30
8000147 Nonvolatile semiconductor memory device Tomoharu Tanaka, Hiroshi Nakamura, Ken Takeuchi, Fumitaka Arai, Susumu Fujimura 2011-08-16
7982259 Nonvolatile semiconductor memory Masayuki Ichige, Fumitaka Arai, Toshitake Yaegashi, Yoshio Ozawa, Akihito Yamamoto +2 more 2011-07-19
7952934 Method for programming a memory structure Ching-Hsiang Hsu, Cheng-Jye Liu 2011-05-31
7939406 Nonvolatile semiconductor memory device having element isolating region of trench type Michiharu Matsui, Seiichi Mori, Yuji Takeuchi, Takeshi Kamigaichi 2011-05-10
7884422 Semiconductor memory and method for manufacturing a semiconductor memory Makoto Mizukami, Fumitaka Arai 2011-02-08