Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12191152 | Method of helical chamfer machining silicon wafer | — | 2025-01-07 |
| 5494875 | Alumina-containing carrier and hydrofining catalyst for hydrocarbon oils | Kazushi Usui, Shigenori Nakashizu, Eiko Kogure | 1996-02-27 |
| 5444033 | Catalyst compositions for hydrotreating of hydrocarbon oils and process for manufacturing the same. | Kazushi Usui, Shigenori Nakashizu | 1995-08-22 |