Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6242651 | Process for the preparation of N,N'-dialkylalkanediamines | Yasuhiro Takano, Kaoru Sakadera, Kunihiro Yamada, Hideki Mizuta, Hisato Itoh | 2001-06-05 |
| 5763687 | Preparation process for aromatic mononitro compounds | Masaaki Iijima, Kouki Oogaki, Hiroaki Matsuno, Takashi Yamaguchi, Katsuharu Miyata | 1998-06-09 |
| 5707919 | Catalyst for preparing chlorine from hydrogen chloride | Katsuharu Miyata, Teruo Hirayama, Hironori Kamachi, Kunihiro Yamada | 1998-01-13 |