Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437693 | Heavy oil emulsion fuel composition | Takao Taniguchi, Kazuo Isobe, Sayuri Tamaki, Tadakazu Yamashita, Shinichi Satake | 1995-08-01 |
| 5411558 | Heavy oil emulsion fuel and process for production thereof | Takao Taniguchi, Kazuo Isobe, Sayuri Tamaki, Shinichi Satake, Tadakazu Yamashita | 1995-05-02 |
| 5137577 | Cement additive | Tatsuya Mizunuma, Fuzio Yamato, Toshiharu Kojima, Akitoshi Tuji | 1992-08-11 |
| 4586960 | Cement admixture | Hideki Tanaka | 1986-05-06 |