Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628520 | Sealing material made of expanded graphite having opened thin-leaf surface structure | Takahisa Ueda, Masaru Fujiwara | 1997-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628520 | Sealing material made of expanded graphite having opened thin-leaf surface structure | Takahisa Ueda, Masaru Fujiwara | 1997-05-13 |