Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698315 | Electrically-conductive colorless transparent barium sulfate filler | Takao Hayashi, Nobuyoshi Kasahara, Katsuhiko Yoshimaru, Kouichi Kawaratani | 1997-12-16 |
| 5612087 | Method for preparing a fibrous electrically conductive filler | Takao Hayashi, Nobuyoshi Kasahara, Kouichi Kawaratani | 1997-03-18 |