Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7736515 | Method for treatment of distillation waste from starchy materials | Hiroshi Takamiya, Koji Hirukawa, Kimihisa Iwashiro | 2010-06-15 |
| 6491807 | Process for producing sodium persulfate | Kenichi Kimizuka, Naoki Kogure, Takamitsu Tsuruga | 2002-12-10 |
| 6214197 | Process for producing persulfate | Ken-ichi Kimizuka, Takamitsu Tsuruga | 2001-04-10 |
| 6200454 | Process for producing sodium persulfate | Ken-ichi Kimizuka, Takamitsu Tsuruga | 2001-03-13 |
| 6013237 | Method for preparing high-purity aqueous hydrogen peroxide | Hirokazu Serizawa, Kazunori Nagai | 2000-01-11 |
| 5976487 | Process for purifying an aqueous solution of hydrogen peroxide | Hirokazu Serizawa, Kazunori Nagai | 1999-11-02 |
| 5811032 | Biodegradable water-soluble polymer | Ryozo Kawai, Hiroshi Kurata, Yukari Shimizu | 1998-09-22 |
| 5534238 | Method for the preparation of purified aqueous hydrogen peroxide solution | Hirokazu Serizawa | 1996-07-09 |
| 4324784 | Process for preventing growth of marine organisms on a substance using hydrogen peroxide | Akira Naito, Toru Hayakawa, Masakatsu Nakanishi, Sunao Ikuta, Hitoshi Yamaguchi | 1982-04-13 |