Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666244 | Building board and manufacturing method thereof | — | 2003-12-23 |
| 6652803 | Process and an apparatus for nitriding an aluminum-containing substrate | Shinji Kawasaki, Takahiro Ishikawa | 2003-11-25 |
| 6578334 | Building board and manufacturing method thereof | — | 2003-06-17 |
| 6558806 | Heat-resistant structural body, halogen-based corrosive gas-resistant material and halogen-based corrosive gas-resistant structural body | — | 2003-05-06 |
| 6524401 | Process for nitriding an aluminum-containing substrate | Shinji Kawasaki, Takahiro Ishikawa | 2003-02-25 |