Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10253191 | Magnetic pigments | Kaiman Shimizu, Fumiko Sasaki, Masahiko Yazawa | 2019-04-09 |
| 10174203 | Magnetic pigments comprising a flaky substrate and layer of maghemite | Kaiman Shimizu, Tamio Noguchi, Fumiko Sasaki, Masahiko Yazawa | 2019-01-08 |