Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12249628 | Method of forming p-type nitride semiconductor layer | Katsuhiro KISHIMOTO, Yoichi Kawakami, Kunimichi OMAE | 2025-03-11 |
| 8686401 | Ultraviolet irradiation apparatus | Yoichi Kawakami, Takao Oto, Ryan Ganipan Banal, Masanori Yamaguchi, Ken Kataoka +1 more | 2014-04-01 |
| 8479308 | Scanning probe microscope and method for detecting proximity of probes thereof | Katsuhito Nishimura, Yoichi Kawakami, Akio Kaneta, Tsuneaki Hashimoto | 2013-07-02 |
| 7560859 | Fluorescent material having two layer structure and light emitting apparatus employing the same | Shigeo Fujita, Tatsuya Morioka, Shizuo Fujita, Yoichi Kawakami, Masafumi Harada +1 more | 2009-07-14 |
| 7348600 | Nitride semiconductor device, and its fabrication process | Yukio Narukawa, Isamu Niki, Axel Scherer, Koichi Okamoto, Yoichi Kawakami +1 more | 2008-03-25 |
| 6876009 | Nitride semiconductor device and a process of manufacturing the same | Yukio Narukawa, Isamu Niki, Axel Scherer, Koichi Okamoto, Yoichi Kawakami +1 more | 2005-04-05 |