Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885058 | Inorganic paper and method for its manufacture | Kiyoshi Hani, Takako Takei, Takahiko Watanabe | 1989-12-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885058 | Inorganic paper and method for its manufacture | Kiyoshi Hani, Takako Takei, Takahiko Watanabe | 1989-12-05 |