Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890417 | Apparatus and method for refining alkaline solution | Tatsuro Yamashita | 2005-05-10 |
| 6335472 | Method of hydrogenating epoxidized C6—C12 cyclohydrocarbon compounds | Tokuo Matsuzaki, Yasuo Nakamura, Takato Nakamura, Nobuyuki Kuroda, Hiroshi Shiraishi | 2002-01-01 |
| 5977416 | Dehydration catalyst and process for producing a monoalkylether of a dihydric phenolic compound using same | Tokuo Matsuzaki, Tsunemi Sugimoto, Yasuo Nakamura | 1999-11-02 |
| 5248835 | Method of producing a monoalkylether of a dihydric phenol compound | Yasushi Shiomi, Yasuo Nakamura, Shinichi Furusaki, Masaoki Matsuda, Muneki Saito | 1993-09-28 |