Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336459 | Mask | Takao Miyake | 2002-01-08 |
| 6145504 | Mask for preventing permeation of foreign material | — | 2000-11-14 |
| 5954055 | Mask | — | 1999-09-21 |
| 5927280 | Mask | — | 1999-07-27 |
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336459 | Mask | Takao Miyake | 2002-01-08 |
| 6145504 | Mask for preventing permeation of foreign material | — | 2000-11-14 |
| 5954055 | Mask | — | 1999-09-21 |
| 5927280 | Mask | — | 1999-07-27 |