Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410618 | Polymeric composite material and method of manufacturing the same | Kunihiko Tokura | 2002-06-25 |
| 6364966 | Method for manufacturing acoustic vibration plate | Yoshio Ohashi | 2002-04-02 |