Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11267978 | Reversibly thermochromic aqueous ink composition and writing instrument using the same | Yasuaki Kambe, Masayuki MITA, Tomoyuki Yamamura | 2022-03-08 |
| 10783933 | Semiconductor memory device | Fumiyoshi Matsuoka | 2020-09-22 |
| RE48178 | Semiconductor memory device | — | 2020-08-25 |
| 10672433 | Semiconductor memory device | Fumiyoshi Matsuoka | 2020-06-02 |
| 10410706 | Resistance change type memory | Akira Katayama | 2019-09-10 |
| 10403346 | Semiconductor memory device | Hyuck-Sang Yim | 2019-09-03 |
| 10269404 | Resistance change memory | — | 2019-04-23 |
| RE46920 | Semiconductor memory device with variable resistance element | Kenji Tsuchida | 2018-06-26 |
| 9887237 | Magnetic storage device | Shintaro Sakai, Keisuke NAKATSUKA, Hiroyuki Kanaya, Yoshinori Kumura | 2018-02-06 |
| 9858973 | Variable change memory and the writing method of the same | Shintaro Sakai, Masahiko Nakayama, Hiromi Noro | 2018-01-02 |
| 9799385 | Resistance change memory | — | 2017-10-24 |
| 9747966 | Semiconductor memory device for sensing memory cell with variable resistance | — | 2017-08-29 |
| 9589621 | Resistance change memory | — | 2017-03-07 |
| 9502140 | Semiconductor memory device | — | 2016-11-22 |
| 9424906 | Timing controller with delay time units for a semiconductor storage device | Katsuhiko Hoya | 2016-08-23 |
| 9257167 | Resistance change memory | — | 2016-02-09 |
| 9153308 | Magnetic random access memory device | — | 2015-10-06 |
| 9111624 | Semiconductor memory device | — | 2015-08-18 |
| 9025400 | Semiconductor storage device | Katsuhiko Hoya | 2015-05-05 |
| 9005857 | Thermochromic color-memorization toner, cartridge including same housed therein, image formation apparatus, cartridge set, and image formation apparatus set | Yoshiaki Ono, Yutaka Shibahashi | 2015-04-14 |
| 8947918 | Semiconductor memory device | — | 2015-02-03 |
| 8845799 | Reversibly thermochromic aqueous ink composition, and writing instrument and writing instrument set each utilizing same | — | 2014-09-30 |
| 8529683 | Reversible thermal discoloration aqueous ink composition and writing implement using the same and writing implement set | — | 2013-09-10 |
| 8498145 | Semiconductor storage device | Yoshihiro Ueda | 2013-07-30 |
| 8498144 | Semiconductor storage device | Masahiro Takahashi, Yoshihiro Ueda, Katsuhiko Hoya | 2013-07-30 |