YT

Yoshikazu Takeyama

KT Kabushiki Kaisha Toshiba: 18 patents #1,647 of 21,451Top 8%
Toshiba Memory: 3 patents #621 of 1,971Top 35%
Overall (All Time): #208,235 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10878917 Memory system 2020-12-29
10089257 Semiconductor storage device and control method thereof Masaru Koyanagi, Akio SUGAHARA 2018-10-02
9977752 Semiconductor storage device and control method thereof Masaru Koyanagi, Akio SUGAHARA 2018-05-22
9659652 Semiconductor storage device and control method thereof Masaru Koyanagi, Akio SUGAHARA 2017-05-23
9620218 Memory system and assembling method of memory system Yuji Nagai 2017-04-11
9543033 Semiconductor memory device, control method, and memory system Koichi Shinohara 2017-01-10
9443595 Memory system and assembling method of memory system Yuji Nagai 2016-09-13
9431078 Semiconductor storage device and control method thereof Masaru Koyanagi, Akio SUGAHARA 2016-08-30
9286960 Memory system and assembling method of memory system Yuji Nagai 2016-03-15
8976586 Semiconductor memory device for pseudo-random number generation Yuji Nagai, Atsushi Inoue 2015-03-10
8582358 Memory system, controller, and method for controlling memory system Hiroshi Sukegawa, Yuujiro Shimada 2013-11-12
8473760 Memory system and server system Keizo Mori 2013-06-25
7855915 Nonvolatile semiconductor storage device capable of high-speed writing Mitsuaki Honma 2010-12-21
7808821 Nonvolatile semiconductor memory including memory cell for storing multilevel data having two or more values Mikio Ogawa, Katsuaki Isobe, Mitsuaki Honma, Noboru Shibata 2010-10-05
7742358 Power supply circuit and semiconductor memory Jun Nakai 2010-06-22
7663960 Voltage supply circuit and semiconductor memory Toshihiro Suzuki 2010-02-16
7642760 Power supply circuit 2010-01-05
7551507 Power supply circuit and semiconductor memory Jun Nakai 2009-06-23
7449937 Power supply circuit 2008-11-11
7439794 Power source circuit Jumpei Sato 2008-10-21
6388937 Semiconductor memory device Takayuki Harima 2002-05-14