Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11295812 | Memory devices and memory operational methods | Wataru Otsuka, Takafumi Kunihiro, Makoto Kitagawa, Jun Sumino | 2022-04-05 |
| 10783961 | Memory cells, memory systems, and memory programming methods | Wataru Otsuka, Takafumi Kunihiro, Makoto Kitagawa, Jun Sumino, D. V. Nirmal Ramaswamy | 2020-09-22 |
| 10658588 | Memory cell switch device | Shuichiro Yasuda | 2020-05-19 |
| 10622067 | Memory systems and memory writing methods | Wataru Otsuka, Takafumi Kunihiro, Makoto Kitagawa, Jun Sumino | 2020-04-14 |
| 10438661 | Memory devices and methods of writing memory cells at different moments in time | Wataru Otsuka, Takafumi Kunihiro, Makoto Kitagawa, Jun Sumino | 2019-10-08 |
| 10395731 | Memory cells, memory systems, and memory programming methods | Wataru Otsuka, Takafumi Kunihiro, 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, Wataru Otsuka, Takafumi Kunihiro | 2019-04-02 |
| 9911489 | Memory cells, memory systems, and memory programming methods | Wataru Otsuka, Takafumi Kunihiro, Makoto Kitagawa, Jun Sumino, D. V. Nirmal Ramaswamy | 2018-03-06 |
| 9905300 | Memory device with variable trim parameters | Makoto Kitagawa, Takafumi Kunihiro, Wataru Otsuka | 2018-02-27 |
| 9646690 | Non-volatile memory system with reset verification mechanism and method of operation thereof | Wataru Otsuka, Jun Sumino, Makoto Kitagawa, Takafumi Kunihiro | 2017-05-09 |
| 9594516 | Memory device with variable trim parameters | Makoto Kitagawa, Takafumi Kunihiro, Wataru Otsuka | 2017-03-14 |
| 9530469 | Integrated circuit system with non-volatile memory stress suppression and method of manufacture thereof | Makoto Kitagawa, Wataru Otsuka, Takafumi Kunihiro | 2016-12-27 |
| 9349450 | Memory devices and memory operational methods including single erase operation of conductive bridge memory cells | Wataru Otsuka, Takafumi Kunihiro, Makoto Kitagawa, Jun Sumino | 2016-05-24 |
| 9293196 | Memory cells, memory systems, and memory programming methods | Wataru Otsuka, Takafumi Kunihiro, 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, Takafumi Kunihiro, Jun Sumino, Wataru Otsuka | 2015-10-06 |
| 9093147 | Method and apparatus for common source line charge transfer | Makoto Kitagawa, Wataru Otsuka, Takafumi Kunihiro | 2015-07-28 |
| 9070441 | Non-volatile memory system with reset verification mechanism and method of operation thereof | Wataru Otsuka, Jun Sumino, Makoto Kitagawa, Takafumi Kunihiro | 2015-06-30 |
| 9007837 | Non-volatile memory system with reset control mechanism and method of operation thereof | Makoto Kitagawa, Wataru Otsuka, Jun Sumino, Takafumi Kunihiro | 2015-04-14 |
| 8981325 | Memory device and storage apparatus | Katsuhisa Aratani, Akihiro Maesaka, Akira Kouchiyama | 2015-03-17 |
| 8884397 | Memory device and storage apparatus | Katsuhisa Aratani, Akihiro Maesaka, Akira Kouchiyama | 2014-11-11 |
| 8842463 | Storage apparatus and operation method for operating the same | Makoto Kitagawa, Tsunenori Shiimoto | 2014-09-23 |
| 8576608 | Memory apparatus | Makoto Kitagawa, Tsunenori Shiimoto, Chieko Nakashima, Hiroshi Yoshihara, Kentaro Ogata | 2013-11-05 |
| 8570787 | Storage apparatus and operation method for operating the same | Makoto Kitagawa, Tsunenori Shiimoto | 2013-10-29 |
| 8569732 | Memory element and memory device | Shuichiro Yasuda, Satoshi Sasaki, Katsuhisa Aratani | 2013-10-29 |
| 8446756 | Method of stabilizing data hold operations of a storage device | Tsunenori Shiimoto, Nobumichi Okazaki | 2013-05-21 |