Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5997775 | Electrically conductive barium sulfate-containing composition and process of producing | Takao Hayashi, Norihiro Sato, Manabu Hosoi, Nobuyoshi Kasahara, Clemens Aderhold +3 more | 1999-12-07 |
| 5312614 | Method for producing white electrically conductive zinc oxide | Takao Hayashi, Norihiro Sato, Chikara Omotani, Manabu Hosoi, Nobuyoshi Kasahara +2 more | 1994-05-17 |
| 5273822 | Fibrous electrically-conductive filler and process for producing the same | Takao Hayashi, Norihiro Sato, Chikara Omotani, Manabu Hosoi, Nobuyoshi Kasahara +2 more | 1993-12-28 |
| 5171364 | Process for preparing conductive acicular zinc oxide | Norihiro Sato, Takao Hayashi, Nobuyoshi Kasahara, Wolf-Dieter Griebler, Jorg Hocken | 1992-12-15 |
| 5131952 | Electrically conductive zinc sulfide powder and process of producing the same and use thereof | Takao Hayashi, Norihiro Sato, Manabu Hosoi, Nobuyoshi Kasahara, Clemens Aderhold +3 more | 1992-07-21 |
| 5102650 | Method of preparing needle-like conductive zinc oxide | Takao Hayashi, Norihiro Sato, Chikara Omotani, Manabu Hosoi, Nobuyoshi Kasahara +2 more | 1992-04-07 |
| 4436790 | Gold-colored coin material | Bruno Prinz, Manfred Rockel, Ulrich Heubner, Hugo Zoebe | 1984-03-13 |
| 4401488 | Gold-colored coin material | Bruno Prinz, Manfred Rockel, Ulrich Heubner, Hugo Zoebe | 1983-08-30 |