Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11345820 | Hollow particles and production method therefor, and white ink | Yukihiro Hara | 2022-05-31 |
| 10995228 | Hollow structure particles, method for producing same and white ink | Yukihiro Hara | 2021-05-04 |