Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10239758 | Silica sol and method for producing silica sol | Keiko Yoshitake, Naohiko Suemura, Megumi Shimada | 2019-03-26 |
| 10173901 | Silica particles, manufacturing method for the same, and silica sol | Keiko Yoshitake, Ai Umeda | 2019-01-08 |