Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380360 | Ultra-fine granular barium sulfate-coated flaky pigment and method of preparing the same | Tamio Noguchi | 1995-01-10 |
| 5169442 | Bluish green pigment and method of preparing the same | Tamio Noguchi | 1992-12-08 |