Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10896831 | Film forming apparatus | Kunihiko Suzuki, Naohisa Ikeya, Keisuke Fukada, Masahiko Ito, Isaho Kamata +6 more | 2021-01-19 |
| 10262863 | Method for manufacturing SiC epitaxial wafer by simultaneously utilizing an N-based gas and a CI-based gas, and SiC epitaxial growth apparatus | Keisuke Fukada, Masahiko Ito, Isaho Kamata, Hidekazu Tsuchida, Hideyuki Uehigashi +4 more | 2019-04-16 |
| 9184044 | Method for manufacturing semiconductor device | Takayuki Koyama, Takanori Yamamoto, Kenji Nakashima | 2015-11-10 |
| 8956458 | Vapor deposition device and vapor deposition method | Kenji Nakashima, Keeyoung Jun, Takahiro Ito | 2015-02-17 |
| 8703590 | Vapor-phase growth method for semiconductor film | Takahiro Ito, Kenji Nakashima, Keeyoung Jun | 2014-04-22 |
| 7897987 | Light-emitting device including light-emitting diode and stacked light-emitting phosphor layers | Mitsuhiro Inoue, Kenji Ito, Kazuyohi Tomita, Tetsu Kachi, Satoru Kato +1 more | 2011-03-01 |
| 7646036 | Electrode and Group III nitride-based compound semiconductor light-emitting device having the electrode | Kazuyoshi Tomita, Toshiya Uemura, Shigemi Horiuchi | 2010-01-12 |
| 7247884 | Group III nitride compound semiconductor light-emitting element | Naoki Shibata | 2007-07-24 |
| 6891203 | Light emitting device | Naoki Shibata | 2005-05-10 |
| 6864502 | III group nitride system compound semiconductor light emitting element | Naoki Shibata | 2005-03-08 |
| 6649943 | Group III nitride compound semiconductor light-emitting element | Naoki Shibata, Kazuyoshi Tomita, Tetsu Kachi | 2003-11-18 |
| 6121127 | Methods and devices related to electrodes for p-type group III nitride compound semiconductors | Naoki Shibata, Junichi Umezaki, Makoto Asai, Toshiya Uemura, Tomohiko Mori +1 more | 2000-09-19 |
| 6008539 | Electrodes for p-type group III nitride compound semiconductors | Naoki Shibata, Junichi Umezaki, Makoto Asai, Toshiya Uemura, Tomohiko Mori +1 more | 1999-12-28 |
| 5753939 | Light-emitting semiconductor device using a Group III nitride compound and having a contact layer upon which an electrode is formed | Michinari Sassa, Naoki Shibata, Shinya Asami, Masayoshi Koike, Junichi Umezaki | 1998-05-19 |
| 5369289 | Gallium nitride-based compound semiconductor light-emitting device and method for making the same | Makoto Tamaki | 1994-11-29 |
| 5272108 | Method of manufacturing gallium nitride semiconductor light-emitting device | — | 1993-12-21 |