Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12354878 | Semiconductor device having semiconductor substrate including hydrogen-related donor, and manufacturing method therefor | — | 2025-07-08 |
| 12242210 | Developing device of a non-magnetic one-component development type capable of suppressing toner melt adhesion to a regulation blade and image forming apparatus including the same | Masahito Ishino | 2025-03-04 |
| 12189333 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Masahito Ishino, Takahisa Nakaue, Sueaki Okamoto | 2025-01-07 |
| 12124187 | Image forming apparatus capable of executing speed reduction control of system linear speed at time of warming-up | Sueaki Okamoto, Masahito Ishino, Takahisa Nakaue | 2024-10-22 |
| 12124186 | Image forming apparatus having controller to control potential bias applied between developing roller and supply roller according to cumulative drive time | Takahisa Nakaue, Masahito Ishino, Sueaki Okamoto | 2024-10-22 |
| 11742313 | Pressure-contact semiconductor device | Satoshi Okuda, Tatsuro WATAHIKI | 2023-08-29 |
| 11621321 | Semiconductor device | Kazuya KONISHI, Tetsuya Nitta, Shinya SONEDA | 2023-04-04 |
| 11467513 | Image forming apparatus | Takahisa Nakaue, Kotatsu Kawaguchi, Masahito Ishino, Yukari Ota | 2022-10-11 |
| 11366403 | Image forming apparatus capable of suppressing a white void in an image and a cleaning failure in a non-magnetic one component development device | Yukari Ota, Masahito Ishino, Takahisa Nakaue, Kotatsu Kawaguchi | 2022-06-21 |
| 11340537 | Development device and image forming apparatus including the development device | Masahito Ishino, Kotatsu Kawaguchi, Takahisa Nakaue, Yukari Ota | 2022-05-24 |
| 10892351 | Semiconductor device | — | 2021-01-12 |
| 10700184 | Semiconductor device | Kazutoshi Nakamura, Ryohei GEJO | 2020-06-30 |
| 10418470 | Semiconductor device having IGBT portion and diode portion | Ryohei GEJO, Kazutoshi Nakamura, Norio Yasuhara | 2019-09-17 |
| 10347713 | Semiconductor device having a triple region resurf structure | — | 2019-07-09 |
| 10083957 | Semiconductor device | Kazutoshi Nakamura, Ryohei GEJO | 2018-09-25 |
| 9825163 | Power MOSFET, an IGBT, and a power diode | — | 2017-11-21 |
| 9786736 | Power semiconductor device | Yoshito Nakazawa | 2017-10-10 |
| 9761582 | Semiconductor device and method of manufacturing semiconductor device | Ryohei GEJO, Kazutoshi Nakamura, Norio Yasuhara | 2017-09-12 |
| 9660070 | Power superjunction MOSFET device with resurf regions | Yoshito Nakazawa, Satoshi Eguchi | 2017-05-23 |
| 9536943 | Vertical power MOSFET | — | 2017-01-03 |
| 9391071 | Semiconductor device | — | 2016-07-12 |
| 9379235 | Semiconductor device including a MOSFET and having a super-junction structure | Yoshito Nakazawa | 2016-06-28 |
| 9269767 | Power superjunction MOSFET device with resurf regions | Yoshito Nakazawa, Satoshi Eguchi | 2016-02-23 |
| 9166036 | Power MOSFET, an IGBT, and a power diode | — | 2015-10-20 |
| 9093288 | Power superjunction MOSFET device with resurf regions | Yoshito Nakazawa, Satoshi Eguchi | 2015-07-28 |