Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960738 | Mullite-alumina composite sintered body and process for producing the same | Saburo Hori | 1990-10-02 |
| 4665040 | Alumina-zirconia ceramic powders and a method of making the same | Saburo Hori | 1987-05-12 |
| 4349447 | Phosphate-free detergent composition | Tatsuhiko Noguchi, Ken Nemoto, Kiichi Endo | 1982-09-14 |
| 4305836 | Detergent composition | Tatsuhiko Noguchi, Kiichi Endo, Ken Nemoto | 1981-12-15 |