Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230953 | Silica particles and process for producing the same | Makoto Tsugeno, Yasushi Takako, Masao Kubo, Tokumi Mochiyama | 1993-07-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230953 | Silica particles and process for producing the same | Makoto Tsugeno, Yasushi Takako, Masao Kubo, Tokumi Mochiyama | 1993-07-27 |