Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5664049 | Honeycomb heater | Tomoharu Kondo, Masato Ogawa | 1997-09-02 |
| 5649049 | Honeycomb heater having large hydraulic diameter orifices to narrow current flow | Fumio Abe, Tomoharu Kondo | 1997-07-15 |