Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627116 | Carbon-based heating unit and method for preparation thereof | Noboru Kanba, Osamu Shimizu | 2003-09-30 |
| 6627144 | Carbonaceous heating element and process for producing the same | Osamu Shimizu | 2003-09-30 |