Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649530 | Plasma etching at reduced pressure | — | 2003-11-18 |
| 6642521 | Method for measuring greenhouse gases using infrared absorption spectrometer | Toshikazu Sugiura | 2003-11-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649530 | Plasma etching at reduced pressure | — | 2003-11-18 |
| 6642521 | Method for measuring greenhouse gases using infrared absorption spectrometer | Toshikazu Sugiura | 2003-11-04 |