Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6159391 | Bleaching agent compositions | Tsuneo Kobayashi, Masahito Mikami, Rumi Takano, Jun Kokubu, Yasuo Hiro +1 more | 2000-12-12 |
| 5986134 | Processes for producing ketazine and hydrazine | Nobuhiro Nagata, Kiyoshi Yoshida | 1999-11-16 |
| 5929013 | Bleach product | Jun Kokubu, Yasuo Hiro, Yoshiko Tsuji, Tsuneo Kobayashi, Masahito Mikami +1 more | 1999-07-27 |
| 5783550 | Mold removal composition and mold bleaching method | Jun Kokubu, Yasuo Hiro, Yoshiko Tsuji, Tsuneo Kobayashi, Masahito Mikami +1 more | 1998-07-21 |
| 5744115 | Preparation process of hydrazine hydrate | Nobuhiro Nagata, Kiyoshi Yoshida | 1998-04-28 |
| 4963232 | Process for producing a purified hydrazine hydrate | Shuuzabu Sakaguchi, Toshiaki Kohzaki, Syoichi Nito | 1990-10-16 |
| 4561982 | Scale inhibitor | Syoichiro Kajiwara, Fumikazu Ozaki | 1985-12-31 |
| 4476314 | Process for producing olefin oxides | Minoru Kakuda, Shoichi Nitoh | 1984-10-09 |
| 4473708 | Preparation of ketozines using organoarsenic compounds | Minoru Kakuda, Shoichi Nitoh | 1984-09-25 |