Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169480 | Clad pipe | Yoichi Matsubara, Akihiro Takeya | 2007-01-30 |
| 6486447 | Method of manufacturing an electric heating element | — | 2002-11-26 |
| 6448538 | Electric heating element | — | 2002-09-10 |
| 5340658 | Composites made of carbon-based and metallic materials | Tadao Komatsu | 1994-08-23 |