Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930057 | Columnar structured material and manufacturing method therefor | Tohru Den | 2005-08-16 |
| 6914008 | Structure having pores and its manufacturing method | Toru Den, Nobuhiro Yasui | 2005-07-05 |