Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11295812 | Memory devices and memory operational methods | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitagawa, Jun Sumino | 2022-04-05 |
| 10783961 | Memory cells, memory systems, and memory programming methods | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitagawa, Jun Sumino, D. V. Nirmal Ramaswamy | 2020-09-22 |
| 10622067 | Memory systems and memory writing methods | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitagawa, Jun Sumino | 2020-04-14 |
| 10492794 | Clip cartridge | Masao Ikeda, Takuya Hayashi, Etsuro Yamabe, Hideaki Matsunami, Tetsuro Abe | 2019-12-03 |
| 10438661 | Memory devices and methods of writing memory cells at different moments in time | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitagawa, Jun Sumino | 2019-10-08 |
| 10395731 | Memory cells, memory systems, and memory programming methods | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitagawa, Jun Sumino, D. V. Nirmal Ramaswamy | 2019-08-27 |
| 10249366 | Integrated circuit system with non-volatile memory stress suppression and method of manufacture thereof | Makoto Kitagawa, Tomohito Tsushima, Takafumi Kunihiro | 2019-04-02 |
| 10213251 | High-frequency treatment tool | Shinetsu Harata | 2019-02-26 |
| 9911489 | Memory cells, memory systems, and memory programming methods | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitagawa, Jun Sumino, D. V. Nirmal Ramaswamy | 2018-03-06 |
| 9905300 | Memory device with variable trim parameters | Makoto Kitagawa, Takafumi Kunihiro, Tomohito Tsushima | 2018-02-27 |
| 9646690 | Non-volatile memory system with reset verification mechanism and method of operation thereof | Jun Sumino, Tomohito Tsushima, Makoto Kitagawa, Takafumi Kunihiro | 2017-05-09 |
| 9594516 | Memory device with variable trim parameters | Makoto Kitagawa, Takafumi Kunihiro, Tomohito Tsushima | 2017-03-14 |
| 9530469 | Integrated circuit system with non-volatile memory stress suppression and method of manufacture thereof | Makoto Kitagawa, Tomohito Tsushima, Takafumi Kunihiro | 2016-12-27 |
| 9349450 | Memory devices and memory operational methods including single erase operation of conductive bridge memory cells | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitagawa, Jun Sumino | 2016-05-24 |
| 9293196 | Memory cells, memory systems, and memory programming methods | Takafumi Kunihiro, Tomohito Tsushima, Makoto Kitigawa, Jun Sumino, D. V. Nirmal Ramaswamy | 2016-03-22 |
| 9153317 | Non-volatile memory system with power reduction mechanism and method of operation thereof | Makoto Kitagawa, Tomohito Tsushima, Takafumi Kunihiro, Jun Sumino | 2015-10-06 |
| 9093147 | Method and apparatus for common source line charge transfer | Makoto Kitagawa, Takafumi Kunihiro, Tomohito Tsushima | 2015-07-28 |
| 9070441 | Non-volatile memory system with reset verification mechanism and method of operation thereof | Jun Sumino, Tomohito Tsushima, Makoto Kitagawa, Takafumi Kunihiro | 2015-06-30 |
| 9019755 | Memory unit and method of operating the same | — | 2015-04-28 |
| 9007837 | Non-volatile memory system with reset control mechanism and method of operation thereof | Makoto Kitagawa, Jun Sumino, Takafumi Kunihiro, Tomohito Tsushima | 2015-04-14 |
| 8575583 | Memory storage device having a variable resistance memory storage element | — | 2013-11-05 |
| 8559210 | Memory device | Koji Miyata | 2013-10-15 |
| 8279654 | Resistance change memory device and operation method of the same | — | 2012-10-02 |
| 8144499 | Variable resistance memory device | Makoto Kitagawa, Tsunenori Shiimoto | 2012-03-27 |
| 7916556 | Semiconductor memory device, sense amplifier circuit and memory cell reading method using a threshold correction circuitry | Makoto Kitagawa | 2011-03-29 |