SN

Shigeki Nagasaka

Toshiba Memory: 7 patents #254 of 1,971Top 15%
Kioxia: 5 patents #270 of 1,813Top 15%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
NL Nippon Sheet Glass Company, Limited: 3 patents #248 of 836Top 30%
📍 Ota, JP: #80 of 330 inventorsTop 25%
Overall (All Time): #227,246 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12197732 Memory system Kenta SHIBASAKI, Yoshihiko Shindo, Yasuhiro HIRASHIMA, Akio SUGAHARA, Dai Nakamura +1 more 2025-01-14
12100459 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2024-09-24
11715529 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2023-08-01
11295821 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2022-04-05
11270981 Memory device Mikihiko Ito, Masaru Koyanagi, Masafumi Nakatani, Shinya Okuno, Masahiro Yoshihara +3 more 2022-03-08
10950314 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2021-03-16
10811393 Memory device Mikihiko Ito, Masaru Koyanagi, Masafumi Nakatani, Shinya Okuno, Masahiro Yoshihara +3 more 2020-10-20
10790266 Memory device with a plurality of stacked memory core chips Mikihiko Ito, Masaru Koyanagi, Masafumi Nakatani, Masahiro Yoshihara, Shinya Okuno 2020-09-29
10636499 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2020-04-28
10438670 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2019-10-08
10026485 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2018-07-17
9805811 Semiconductor memory device Hiroaki Nakano, Mami Kakoi, Toshiyuki Kouchi, Itaru Yamaguchi 2017-10-31
9754676 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2017-09-05
9558840 Semiconductor device Shinya Okuno, Toshiyuki Kouchi 2017-01-31
7139139 Optical module Kenichi Nakama 2006-11-21
6974264 Optical module and method for producing the same Kenichi Nakama, Tsuyoshi Yamane 2005-12-13
6853770 Method for aligning and assembling optical demultiplexer module, and automatic aligning mechanism for optical demultiplexer module Frank Xiaofan Zhu, Naoki Morimoto, Kenichi Nakama 2005-02-08
5890197 Semiconductor memory device having split transfer function 1999-03-30
5748201 Semiconductor memory device having multiple modes that allow the cell array to be divided into a variable number of portions 1998-05-05