RS

Riichiro Shirota

KT Kabushiki Kaisha Toshiba: 155 patents #33 of 21,451Top 1%
UM United Microelectronics: 11 patents #537 of 4,560Top 15%
UN Unknown: 6 patents #2,010 of 83,584Top 3%
PT Powerchip Technology: 4 patents #10 of 138Top 8%
UP Unisantis Electronics Singapore Pte.: 4 patents #14 of 31Top 50%
Toshiba Memory: 2 patents #853 of 1,971Top 45%
PE Phison Electronics: 2 patents #111 of 344Top 35%
Kioxia: 1 patents #1,054 of 1,813Top 60%
Overall (All Time): #3,710 of 4,157,543Top 1%
191
Patents All Time

Issued Patents All Time

Showing 1–25 of 191 patents

Patent #TitleCo-InventorsDate
12412627 Flash memory with high integration 2025-09-09
12277962 Memory device using semiconductor element Koji Sakui, Nozomu Harada 2025-04-15
12250816 NAND flash memory and manufacturing method thereof 2025-03-11
12183391 Semiconductor memory device and manufacturing method of semiconductor memory device Nozomu Harada, Koji Sakui, Masakazu Kakumu 2024-12-31
12131773 Memory device Koji Sakui, Nozomu Harada 2024-10-29
12100443 Semiconductor-element-including memory device Koji Sakui, Nozomu Harada 2024-09-24
11978515 Semiconductor memory device and reading method Masaru Yano 2024-05-07
11937437 Semiconductor memory and method of manufacturing the same Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Fumitaka Arai 2024-03-19
11778819 NAND flash memory with reduced planar size 2023-10-03
11489050 Vertical nitride semiconductor transistor device Shinichiro Takatani 2022-11-01
11271005 NOR flash memory and manufacturing method thereof Masaru Yano 2022-03-08
11211464 Normally-off nitride semiconductor transistor device Shinichiro Takatani 2021-12-28
11101325 Semiconductor memory and method of manufacturing the same Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Fumitaka Arai 2021-08-24
11049942 Power semiconductor device Yung-Yueh Chiu, Te-Chang Tseng, Hiroshi Watanabe 2021-06-29
10916558 NOR flash memory and method of fabricating the same 2021-02-09
10811425 NOR flash memory and manufacturing method thereof Masaru Yano 2020-10-20
10785022 Network without abuse of a private key Hiroshi Watanabe, Te-Chang Tseng, Yukihiro Nagai 2020-09-22
10460824 Semiconductor apparatus with reduced risks of chip counterfeiting and network invasion Yukihiro Nagai, Hiroshi Watanabe 2019-10-29
10341122 Electronic appliance and network of the same Hiroshi Watanabe, Te-Chang Tseng, Yukihiro Nagai 2019-07-02
10177923 Electronic appliance and network of the same Hiroshi Watanabe, Te-Chang Tseng, Yukihiro Nagai 2019-01-08
10056433 Semiconductor memory and method of manufacturing the same Masahiro Kiyotoshi, Akihito Yamamoto, Yoshio Ozawa, Fumitaka Arai 2018-08-21
9899507 Nitride semiconductor transistor device Shinichiro Takatani 2018-02-20
9899402 Flash memory having a U-shaped charge storage layer Te-Chang Tseng, Yukihiro Nagai, Hiroshi Watanabe 2018-02-20
9870828 Non-volatile semiconductor memory and erasing method thereof Katsutoshi Suito 2018-01-16
9715935 Non-volatile semiconductor memory with high reliability and data erasing method thereof 2017-07-25