KO

Kazuhiro Ohba

SO Sony: 54 patents #395 of 25,231Top 2%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #44,562 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 26–50 of 56 patents

Patent #TitleCo-InventorsDate
9231200 Memory element and memory device Tetsuya Mizuguchi, Shuichiro Yasuda, Masayuki Shimuta, Katsuhisa Aratani 2016-01-05
9203018 Memory element and memory device Takeyuki Sone, Masayuki Shimuta, Shuichiro Yasuda 2015-12-01
9202560 Memory element and memory device with ion source layer and resistance change layer Tetsuya Mizuguchi, Shuichiro Yasuda, Masayuki Shimuta, Akira Kouchiyama, Hiroaki Sei 2015-12-01
9136470 Memory element with ion conductor layer in which metal ions diffuse and memory device incorporating same Akihiro Maesaka, Tetsuya Mizuguchi, Koji Miyata, Motonari Honda, Katsuhisa Aratani 2015-09-15
9112149 Memory element and method of manufacturing the same, and memory device Hiroaki Sei, Shuichiro Yasuda, Masayuki Shimuta, Katsuhisa Aratani, Akira Kouchiyama +1 more 2015-08-18
9058873 Memory element having ion source layers with different contents of a chalcogen element Masayuki Shimuta, Shuichiro Yasuda, Tetsuya Mizuguchi, Katsuhisa Aratani 2015-06-16
8912516 Memory element with ion source layer and memory device Tetsuya Mizuguchi, Shuichiro Yasuda, Masayuki Shimuta, Katsuhisa Aratani 2014-12-16
8885385 Memory element and memory device Tetsuya Mizuguchi, Shuichiro Yasuda, Masayuki Shimuta, Katsuhisa Aratani 2014-11-11
8847194 Memory component including an ion source layer and a resistance change layer, and a memory device using the same Shuichiro Yasuda, Katsuhisa Aratani, Hiroaki Sei 2014-09-30
8816313 Memory element and memory device Tetsuya Mizuguchi, Shuichiro Yasuda 2014-08-26
8796657 Memory element and memory device Shuichiro Yasuda, Tetsuya Mizuguchi, Masayuki Shimuta, Katsuhisa Aratani 2014-08-05
8730709 Memory component, memory device, and method of operating memory device Shuichiro Yasuda, Tetsuya Mizuguchi, Katsuhisa Aratani, Masayuki Shimuta, Akira Kouchiyama +1 more 2014-05-20
8710482 Memory component and memory device Shuichiro Yasuda, Katsuhisa Aratani, Hiroaki Sei 2014-04-29
8699260 Memory element and memory device Takeyuki Sone, Masayuki Shimuta, Shuichiro Yasuda 2014-04-15
8492740 Memory element and memory device Tetsuya Mizuguchi, Shuichiro Yasuda 2013-07-23
8427860 Memory component, memory device, and method of operating memory device Shuichiro Yasuda, Tetsuya Mizuguchi, Katsuhisa Aratani, Masayuki Shimuta, Akira Kouchiyama +1 more 2013-04-23
7888755 Magnetic storage device with intermediate layers having different sheet resistivities Masanori Hosomi, Hiroshi Kano, Yiming Huai, Zhitao Diao, Mahendra Pakala 2011-02-15
7700982 Magnetoresistive effect element and magnetic memory device Masanori Hosomi, Tetsuya Mizuguchi, Kazuhiro Bessho, Tetsuya Yamamoto, Hiroshi Kano 2010-04-20
7696511 Memory element and memory device Tetsuya Mizuguchi, Takeyuki Sone, Keitaro Endo 2010-04-13
7315053 Magnetoresistive effect element and magnetic memory device Masanori Hosomi, Tetsuya Mizuguchi, Kazuhiro Bessho, Tetsuya Yamamoto, Hiroshi Kano 2008-01-01
7262064 Magnetoresistive effect element, magnetic memory element magnetic memory device and manufacturing methods thereof Kazuhiko Hayashi, Hiroshi Kano, Kazuhiro Bessho, Tetsuya Mizuguchi, Yutaka Higo +6 more 2007-08-28
7034348 Magnetoresistive effect element and magnetic memory device Hiroshi Kano, Masanori Hosomi, Kazuhiro Bessho, Tetsuya Yamamoto, Tetsuya Mizuguchi 2006-04-25
7026671 Magnetoresistive effect element, magnetic memory device and manufacturing method of magnetoresistive effect element and magnetic memory device Tetsuya Mizuguchi, Masanori Hosomi, Kazuhiro Bessho, Yutaka Higo, Tetsuya Yamamoto +2 more 2006-04-11
6999288 Magnetoresistive effect element and magnetic memory device Takeyuki Sone, Kazuhiro Bessho, Masanori Hosomi, Tetsuya Mizuguchi, Tetsuya Yamamoto +2 more 2006-02-14
6992868 Magnetoresistive effect element and magnetic memory device Takeyuki Sone, Kazuhiro Bessho, Masanori Hosomi, Tetsuya Mizuguchi, Tetsuya Yamamoto +2 more 2006-01-31