Issued Patents All Time
Showing 1–25 of 102 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12373143 | Memory device | Akio SUGAHARA | 2025-07-29 |
| 12229450 | Semiconductor memory device | Akio SUGAHARA, Zhao Lu, Takehisa KUROSAWA | 2025-02-18 |
| 12087396 | Memory system | Takehisa KUROSAWA, Akio SUGAHARA, Mitsuhiro Abe, Hisashi Fujikawa, Zhao Lu | 2024-09-10 |
| 12062412 | Semiconductor memory device | Zhao Lu, Akio SUGAHARA, Takehisa KUROSAWA, Masaru Koyanagi | 2024-08-13 |
| 12001723 | Memory device | Akio SUGAHARA | 2024-06-04 |
| 11942180 | Memory system | Zhao Lyu, Akio SUGAHARA, Takehisa KUROSAWA, Hisashi Fujikawa | 2024-03-26 |
| 11923020 | Memory device and memory system | Hiroyuki Ishii, Makoto Miakashi, Tomoko KAJIYAMA, Hayato KONNO | 2024-03-05 |
| 11861226 | Semiconductor memory device | Akio SUGAHARA, Zhao Lu, Takehisa KUROSAWA | 2024-01-02 |
| 11715535 | Semiconductor storage device | Yoshikazu Harada, Kenro Kikuchi | 2023-08-01 |
| 11507316 | Memory device | Akio SUGAHARA | 2022-11-22 |
| 11322480 | Semiconductor memory device | Toshihiro Suzuki | 2022-05-03 |
| 10884706 | Randomization of data using a plurality of types of pseudorandom number generators | Tsuyoshi Atsumi, Yasuhiko Kurosawa, Yohei Koganei | 2021-01-05 |
| 10860250 | Memory device | Akio SUGAHARA | 2020-12-08 |
| 10459691 | Randomization of data using a plurality of types of pseudorandom number generators | Tsuyoshi Atsumi, Yasuhiko Kurosawa, Yohei Koganei | 2019-10-29 |
| 10418345 | Semiconductor memory device | Toshihiro Suzuki | 2019-09-17 |
| 10361851 | Authenticator, authenticatee and authentication method | Taku Kato, Tatsuyuki Matsushita, Fangming Zhao | 2019-07-23 |
| 10361850 | Authenticator, authenticatee and authentication method | Taku Kato, Tatsuyuki Matsushita, Fangming Zhao | 2019-07-23 |
| 10346068 | Memory system and method of performing a read operation on a memory cell of a non-volatile semiconductor storage device including a plurality of blocks of memory | Hiroyuki Ishii, Yukihiro Utsuno, Katsuki Matsudera | 2019-07-09 |
| 9953709 | Semiconductor memory device and memory system | Masanobu Shirakawa, Marie Takada | 2018-04-24 |
| 9922707 | Semiconductor storage apparatus and memory system comprising memory cell holding data value of multiple bits | Marie Takada, Masanobu Shirakawa | 2018-03-20 |
| 9887841 | Authenticator, authenticatee and authentication method | Taku Kato, Tatsuyuki Matsushita, Fangming Zhao | 2018-02-06 |
| 9824764 | Semiconductor memory device | Yuki Kanamori, Jun Nakai, Kenri Nakai | 2017-11-21 |
| 9620218 | Memory system and assembling method of memory system | Yoshikazu Takeyama | 2017-04-11 |
| 9544138 | Authenticator, authenticatee and authentication method | Taku Kato, Tatsuyuki Matsushita | 2017-01-10 |
| 9449193 | Information processing apparatus | Shinichi Matsukawa, Yasufumi Tsumagari | 2016-09-20 |