Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618415 | Semiconductor laser device and fabricating method thereof | Yoshinori Ohitsu, Keisuke Miyazaki | 2003-09-09 |
| 6502388 | Engine exhaust gas cleaning system | Yutaka Takaku, Toshio Ishii, Shigeru Kawamoto, Shinji Nakagawa, Minoru Oosuga | 2003-01-07 |