KK

Kazuhiko Kajigaya

HI Hitachi: 107 patents #26 of 28,497Top 1%
EM Elpida Memory: 91 patents #1 of 692Top 1%
PS Ps4 Luxco S.A.R.L.: 23 patents #1 of 276Top 1%
Micron: 18 patents #949 of 6,345Top 15%
HE Hitachi Vlsi Engineering: 14 patents #20 of 666Top 4%
HC Hitachi Ulsi Systems Co.: 13 patents #26 of 867Top 3%
HC Hitachi Device Engineering Co.: 7 patents #48 of 514Top 10%
LS Longitude Semiconductor S.A.R.L.: 1 patents #11 of 67Top 20%
RS Rising Silicon: 1 patents #3 of 20Top 15%
UL Ultramemory: 1 patents #10 of 15Top 70%
📍 Tokyo, WA: #2 of 89 inventorsTop 3%
Overall (All Time): #2,518 of 4,157,543Top 1%
227
Patents All Time

Issued Patents All Time

Showing 51–75 of 227 patents

Patent #TitleCo-InventorsDate
8605476 Semiconductor device having hierarchical structured bit line Takenori Sato, Yoshimitsu Yanagawa, Tomonori Sekiguchi, Akira Kotabe, Satoru Akiyama 2013-12-10
8605532 Semiconductor device having hierarchical bit line structure Yasutoshi Yamada 2013-12-10
8593895 Semiconductor device and control method thereof Shinichi Takayama 2013-11-26
8588019 Semiconductor device having current change memory cell 2013-11-19
8542547 Semiconductor device and data processing system 2013-09-24
8520449 Semiconductor device and control method thereof 2013-08-27
8509020 Data processing system 2013-08-13
8477552 Memory device, semiconductor memory device and control method thereof Soichiro Yoshida 2013-07-02
8472272 Semiconductor device having hierarchical bit line structure 2013-06-25
8467217 Semiconductor device Shinichi Takayama, Akira Kotabe, Satoru Akiyama, Tomonori Sekiguchi 2013-06-18
8441840 Semiconductor device and data processing system 2013-05-14
8437188 Nonvolatile RAM 2013-05-07
8422316 Semiconductor device and data processing system 2013-04-16
8355289 Memory device, semiconductor memory device and control method thereof Soichiro Yoshida 2013-01-15
8320208 Sense amplifier circuit and semiconductor device Soichiro Yoshida, Yasutoshi Yamada 2012-11-27
8310887 Semiconductor device having single-ended sensing amplifier 2012-11-13
8295101 Semiconductor device 2012-10-23
8248875 Semiconductor memory device having floating body type NMOS transistor 2012-08-21
8238183 Semiconductor device and data processing system comprising semiconductor device Soichiro Yoshida, Yasutoshi Yamada 2012-08-07
8238182 Semiconductor device and data processing system comprising semiconductor device Soichiro Yoshida, Yasutoshi Yamada 2012-08-07
8209497 Multi-port memory and system using the same 2012-06-26
8199559 Semiconductor device, semiconductor memory device and data processing system comprising semiconductor system 2012-06-12
8145853 Semiconductor memory apparatus, memory access control system and data reading method 2012-03-27
8072828 Sense amplifier circuit and semiconductor memory device 2011-12-06
8068369 Sense amplifier circuit and semiconductor memory device 2011-11-29