Issued Patents All Time
Showing 25 most recent of 269 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12266698 | Nitride semiconductor including multi-portion nitride region | Toshiki Hikosaka, Hajime Nago, Jumpei Tajima | 2025-04-01 |
| 12170318 | Nitride semiconductor, semiconductor device, and method for manufacturing nitride semiconductor | Toshiki Hikosaka, Hajime Nago, Jumpei Tajima | 2024-12-17 |
| 12159932 | Semiconductor device | Jumpei Tajima, Toshiki Hikosaka | 2024-12-03 |
| 12094934 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Jumpei Tajima | 2024-09-17 |
| 12074203 | Nitride crystal, optical device, semiconductor device, and method for manufacturing nitride crystal | Toshiki Hikosaka, Tomoyuki TANIKAWA, Ryuji KATAYAMA, Masahiro UEMUKAI | 2024-08-27 |
| 11955520 | Nitride semiconductor with multiple nitride regions of different impurity concentrations, wafer, semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Hajime Nago, Jumpei Tajima | 2024-04-09 |
| 11888040 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Hiroshi Ono, Jumpei Tajima, Masahiko Kuraguchi | 2024-01-30 |
| 11817483 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Jumpei Tajima | 2023-11-14 |
| 11699724 | Semiconductor device | Jumpei Tajima, Toshiki Hikosaka | 2023-07-11 |
| 11677006 | Nitride crystal, optical device, semiconductor device, and method for manufacturing nitride crystal | Toshiki Hikosaka, Tomoyuki TANIKAWA, Ryuji KATAYAMA, Masahiro UEMUKAI | 2023-06-13 |
| 11581407 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Jumpei Tajima | 2023-02-14 |
| 11545553 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Hiroshi Ono, Jumpei Tajima, Masahiko Kuraguchi | 2023-01-03 |
| 11538909 | Semiconductor device | Jumpei Tajima, Toshiki Hikosaka | 2022-12-27 |
| 11444189 | Semiconductor device and method for manufacturing the same | Jumpei Tajima, Toshiki Hikosaka | 2022-09-13 |
| 11333700 | Inspection apparatus of semiconductor device and method for inspecting semiconductor device | Jumpei Tajima, Jongil Hwang | 2022-05-17 |
| 11251293 | Semiconductor device | Yosuke Kajiwara, Hiroshi Ono, Jumpei Tajima, Toshiki Hikosaka, Masahiko Kuraguchi | 2022-02-15 |
| 11211463 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Hiroshi Ono, Jumpei Tajima, Masahiko Kuraguchi | 2021-12-28 |
| 11024717 | Semiconductor device and method of manufacturing semiconductor device | Jumpei Tajima, Toshiki Hikosaka, Kenjiro Uesugi, Masahiko Kuraguchi | 2021-06-01 |
| 10923349 | Semiconductor element and method for manufacturing the same | Toshiki Hikosaka, Jumpei Tajima | 2021-02-16 |
| 10651307 | Semiconductor device and method for manufacturing the same | Jumpei Tajima, Toshiki Hikosaka, Masahiko Kuraguchi | 2020-05-12 |
| 10573735 | Semiconductor device | Masahiro Koyama, Tatsuo Shimizu | 2020-02-25 |
| 10505030 | Semiconductor device and method for manufacturing the same | Toshiki Hikosaka, Shigeya Kimura, Masahiko Kuraguchi | 2019-12-10 |
| 10475915 | Semiconductor device and method for manufacturing the same | Jumpei Tajima, Toshiki Hikosaka, Kenjiro Uesugi, Shigeya Kimura, Masahiko Kuraguchi | 2019-11-12 |
| 10395932 | Semiconductor device and method for manufacturing the same | Kenjiro Uesugi, Toshiki Hikosaka | 2019-08-27 |
| 10355119 | Method for manufacturing semiconductor device | Kenjiro Uesugi, Aya Shindome, Daimotsu Kato, Masahiko Kuraguchi | 2019-07-16 |