Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11335783 | Method of making semiconductor ferroelectric memory element, and semiconductor ferroelectric memory transistor | Shigeki Sakai, Masaki Kusuhara, Masayuki Toda, Masaru Umeda, Yoshikazu Sasaki | 2022-05-17 |
| 11069713 | Semiconductor memory element, other elements, and their production methods | Shigeki Sakai, Masaki Kusuhara, Masayuki Toda, Masaru Umeda, Yoshikazu Sasaki | 2021-07-20 |
| 10686043 | Method of making semiconductor ferroelectric memory element, and semiconductor ferroelectric memory transistor | Shigeki Sakai, Masaki Kusuhara, Masayuki Toda, Masaru Umeda, Yoshikazu Sasaki | 2020-06-16 |
| 10192972 | Semiconductor ferroelectric storage transistor and method for manufacturing same | Shigeki Sakai, Wei Zhang | 2019-01-29 |
| 9818869 | Ferroelectric device and method of its manufacture | Shigeki Sakai, Masaki Kusuhara, Masayuki Toda, Masaru Umeda | 2017-11-14 |
| 9780186 | Semiconductor ferroelectric storage transistor and method for manufacturing same | Shigeki Sakai, Wei Zhang | 2017-10-03 |
| 8159873 | Semiconductor integrated circuit | Shigeki Sakai | 2012-04-17 |
| 8139388 | Nonvolatile semiconductor storage device | Shigeki Sakai, Shouyu Wang, Ken Takeuchi | 2012-03-20 |
| 8081499 | Semiconductor integrated circuit | Shigeki Sakai | 2011-12-20 |
| 6445633 | Read amplifier circuit for high-speed reading and semiconductor memory device employing the read amplifier circuit | Hiroaki Tanizaki | 2002-09-03 |
| 6084386 | Voltage generation circuit capable of supplying stable power supply voltage to load operating in response to timing signal | Tadaaki Yamauchi, Mitsuya Kinoshita | 2000-07-04 |