Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381147 | Chip bonded semiconductor memory device with different charge storage films | Keisuke NAKATSUKA | 2025-08-05 |
| 12363901 | Semiconductor storage device and method of manufacturing the same | — | 2025-07-15 |
| 11688720 | Semiconductor device and method for manufacturing the same | — | 2023-06-27 |
| 11581329 | Semiconductor memory device | Ryosuke Sawabe, Hiroshi Itokawa | 2023-02-14 |
| 11557602 | Semiconductor storage device and method of manufacturing the same | — | 2023-01-17 |
| 11018150 | Semiconductor memory device including artificial drain select gate and method for driving same | Kotaro Fujii, Masaru Kito | 2021-05-25 |
| 10991713 | Semiconductor memory device | Satoshi Nagashima, Keisuke NAKATSUKA, Fumitaka Arai, Shinya Arai | 2021-04-27 |
| 10971515 | Semiconductor memory device | Shigeki Kobayashi, Masaru Kito | 2021-04-06 |
| 10692883 | Semiconductor memory device | — | 2020-06-23 |
| 9613980 | Semiconductor memory device | Kenta Yamada | 2017-04-04 |
| 9529050 | Diagnostic device for degradation of rechargeable Li-ion battery | Takao Kawahira, Jumpei Kojima, Toru Katsurai, Koji Kawata, Toshiyuki Kobayashi +1 more | 2016-12-27 |
| 9428386 | Process for producing a group-III nitride crystal and process for producing a light-emitting semiconductor element or a semiconductor device comprising a group-III nitride crystal | Kenji Fujito | 2016-08-30 |
| RE45861 | Semiconductor memory using field-effect transistor as selective element | Shuichi Tsukada | 2016-01-19 |
| 8765066 | Device and method for processing cement kiln combustion exhaust gas | Shinichiro Saito, Junichi Terasaki, Hisashi Kondo, Mitsuharu Hagi, Shinyuki Masaki | 2014-07-01 |
| 8737124 | Semiconductor device | Shuichi Tsukada | 2014-05-27 |
| 8728622 | Single-crystal substrate, group-III nitride crystal obtained using the same, and process for producing group-III nitride crystal | Kenji Fujito | 2014-05-20 |
| 8498537 | Optical cross-connect apparatus | Yasuyuki Fukashiro | 2013-07-30 |
| 8470273 | Device and method for processing cement kiln combustion exhaust | Shinichiro Saito, Junichi Terasaki, Hisashi Kondo, Mitsuharu Hagi, Shinyuki Masaki | 2013-06-25 |
| 8389969 | Semiconductor memory using IGBT, insulated gate bipolar transistor, as selective element | Shuichi Tsukada | 2013-03-05 |
| 8009987 | Optical add/drop multiplexer | Yukio Hayashi, Chanthan Winh | 2011-08-30 |
| 7953321 | Optical transmission equipment and optical add-drop multiplexer | Hiroyuki Nakano | 2011-05-31 |
| 7809263 | Optical transmission apparatus and control method therefor | Tetsuya Uda, Kenta Noda, Hiroshi Masuda, Hiroyuki Nakano | 2010-10-05 |
| 7725034 | Optical transmision apparatus and control method therefor | Tetsuya Uda, Kenta Noda, Hiroshi Masuda, Hiroyuki Nakano | 2010-05-25 |
| 7697845 | Optical transmission equipment and optical add-drop multiplexer | Hiroyuki Nakano | 2010-04-13 |
| 7554717 | Optical transmission device equipped with pluggable variable optical attenuator | Hiroyuki Nakano, Tetsuya Uda | 2009-06-30 |