KN

Kiyoshi Nakai

EM Elpida Memory: 23 patents #16 of 692Top 3%
HI Hitachi: 11 patents #3,813 of 28,497Top 15%
Micron: 8 patents #1,691 of 6,345Top 30%
HC Hitachi Ulsi Systems Co.: 7 patents #101 of 867Top 15%
TI Texas Instruments: 3 patents #4,047 of 12,488Top 35%
NC Nippon Light Metal Company: 1 patents #203 of 499Top 45%
PS Ps4 Luxco S.A.R.L.: 1 patents #127 of 276Top 50%
AC Asahitec Co.: 1 patents #15 of 29Top 55%
AC Asahi Malleable Iron Co.: 1 patents #5 of 12Top 45%
Overall (All Time): #69,578 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 25 most recent of 43 patents

Patent #TitleCo-InventorsDate
12340832 Circuitry borrowing for memory arrays Andrea Martinelli, Francesco Mastroianni 2025-06-24
11869580 Apparatuses, systems, and methods for counter-based read clock in stacked memory devices Tomohiko Yamagishi, Seiji Narui, Takamasa Suzuki 2024-01-09
11854601 Apparatuses, systems, and methods for read clock timing alignment in stacked memory devices Seiji Narui 2023-12-26
11740964 Direct-input redundancy scheme with dedicated error correction code circuit 2023-08-29
11709731 Direct-input redundancy scheme with adaptive syndrome decoder 2023-07-25
11217291 Circuitry borrowing for memory arrays Andrea Martinelli, Francesco Mastroianni 2022-01-04
11132253 Direct-input redundancy scheme with dedicated error correction code circuit 2021-09-28
11016843 Direct-input redundancy scheme with adaptive syndrome decoder 2021-05-25
RE45753 Semiconductor device including bit line groups Shuichi Tsukada 2015-10-13
8605494 Memory device and writing method thereof Koji Sato, Kenji Mae 2013-12-10
8116154 Semiconductor memory device with a write control circuit commonly provided for a plurality of pages 2012-02-14
8094483 Semiconductor device including bit line groups Shuichi Tsukada 2012-01-10
8054679 Phase change memory device Shuichi Tsukada, Yusuke Jono 2011-11-08
7813178 Semiconductor memory device and write control method therefor 2010-10-12
7760545 Semiconductor memory device and programming method thereof 2010-07-20
7755952 Semiconductor memory device and writing control method thereof 2010-07-13
7742332 Phase-change random access memory device and semiconductor memory device 2010-06-22
7738290 Phase change memory device 2010-06-15
7701758 Nonvolatile memory device and control method thereof 2010-04-20
7675770 Phase change memory device Isamu Asano, Yukio Fuji, Tsuyoshi Kawagoe 2010-03-09
7590012 Semiconductor storage device 2009-09-15
7554147 Memory device and manufacturing method thereof Isamu Asano, Tsuyoshi Kawagoe, Yukio Fuji, Kazuhiko Kajigaya 2009-06-30
7528402 Electrically rewritable non-volatile memory element Homare Sato 2009-05-05
7508707 Semiconductor storage apparatus Kazuhiko Kajigaya, Isamu Asano 2009-03-24
7502252 Nonvolatile semiconductor memory device and phase change memory device Yukio Fuji, Isamu Asano, Tsuyoshi Kawagoe 2009-03-10