Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6762325 | Method for production of alkoxylated compound | Toru Inaoka, Yasuhiko Sato, Yoshiyuki Onda, Tsuyoshi Hirata | 2004-07-13 |
| 6727315 | Copolymer for cement admixtures and its production process and use | Masaya Yamamoto, Toru Uno, Yoshiyuki Onda, Akihiko Yamashita, Tsuyoshi Hirata +1 more | 2004-04-27 |
| 6716896 | Method for production of esterified product and apparatus therefor | Tsuyoshi Hirata, Tsutomu Yuasa | 2004-04-06 |