Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9230618 | Semiconductor storage device | Daisaburo Takashima | 2016-01-05 |
| 8873296 | Nonvolatile semiconductor memory device | Kiyotaro Itagaki, Masaru Kito, Hitoshi Iwai | 2014-10-28 |
| 8531901 | Three dimensional NAND type memory device having selective charge pump activation to minimize noise | Hitoshi Iwai, Kiyotaro Itagaki | 2013-09-10 |
| 8514627 | Nonvolatile semiconductor memory device | Kiyotaro Itagaki, Masaru Kito, Hitoshi Iwai | 2013-08-20 |
| 8259513 | Internal voltage generator | Daisaburo Takashima | 2012-09-04 |
| 8159285 | Current supply circuit | Takeshi Hioka, Daisaburo Takashima | 2012-04-17 |
| 8134855 | Ferroelectric memory and method for testing the same | Daisaburo Takashima | 2012-03-13 |
| 8045357 | Semiconductor memory device | Daisaburo Takashima | 2011-10-25 |
| 8045358 | Nonvolatile semiconductor memory device | Daisaburo Takashima | 2011-10-25 |
| 7902913 | Reference voltage generation circuit | Daisaburo Takashima | 2011-03-08 |
| 7852142 | Reference voltage generating circuit for use of integrated circuit | Daisaburo Takashima | 2010-12-14 |
| 7834682 | Reference voltage generation circuit and semiconductor storage apparatus using the same | Daisaburo Takashima | 2010-11-16 |
| 7816976 | Power supply circuit using insulated-gate field-effect transistors | Daisaburo Takashima | 2010-10-19 |
| 7795953 | Voltage step-down circuit | Shinichiro Shiratake, Daisaburo Takashima | 2010-09-14 |
| 7763991 | Voltage generating circuit | Daisaburo Takashima | 2010-07-27 |
| 7759928 | Semiconductor device including an internal voltage generation circuit and a first test circuit | Daisaburo Takashima | 2010-07-20 |
| 7750723 | Voltage generation circuit provided in a semiconductor integrated device | Daisaburo Takashima | 2010-07-06 |
| 7746164 | Voltage generating circuit | Daisaburo Takashima | 2010-06-29 |
| 7733683 | Semiconductor memory device | Daisaburo Takashima | 2010-06-08 |
| 7724581 | Discharge order control circuit and memory device | Shinichiro Shiratake, Daisaburo Takashima | 2010-05-25 |
| 7679412 | Power supply circuit | Daisaburo Takashima | 2010-03-16 |
| 7633330 | Reference voltage generation circuit | Daisaburo Takashima | 2009-12-15 |
| 7609099 | Power-on detecting circuit | Daisaburo Takashima | 2009-10-27 |
| 7589513 | Reference voltage generator circuit | Daisaburo Takashima | 2009-09-15 |
| 7583114 | Supply voltage sensing circuit | Daisaburo Takashima | 2009-09-01 |