Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653767 | Spark plug and ignition apparatus | Hitoshi Morita, Shinichi Okabe, Hiroshi Yorita, Keiji Kanao, Tetsuya Miwa | 2003-11-25 |
| 6570194 | Compound semiconductor field effect transistor with improved ohmic contact layer structure and method of forming the same | Naotaka Iwata | 2003-05-27 |
| 6534790 | Compound semiconductor field effect transistor | Kazuki Ota, Hironobu Miyamoto, Naotaka Iwata, Masaaki Kuzuhara | 2003-03-18 |