Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10053402 | Method for producing conjugated diolefin | Mamoru Watanabe | 2018-08-21 |
| 9809511 | Method for producing conjugated diolefin | Mamoru Watanabe | 2017-11-07 |
| 9192922 | Propylene production process | Takashi Tsunoda, Kenji Akagishi, Hiroyuki Yano, Ryusuke Miyazaki | 2015-11-24 |
| 8546634 | Method for production of conjugated diolefin | Hiroyuki Yano, Takashi Kinoshita | 2013-10-01 |
| 7473666 | Particulate porous ammoxidation catalyst | Hiroyuki Yanagi, Tutomu Ueda | 2009-01-06 |
| 6084119 | Process for producing unsaturated nitrile | Ken Someya | 2000-07-04 |
| 6080882 | Process for producing acrylonitrile or methacrylonitrile from propane or isobutane by ammoxidation | Naoki Sugiyama, Hidenori Hinago | 2000-06-27 |
| 6013825 | Process for producing unsaturated nitrile | Ken Someya | 2000-01-11 |
| 5973186 | Process for producing acrylonitrile or methacrylonitrile from propane or isobutane by ammoxidation | Naoki Sugiyama, Hidenori Hinago | 1999-10-26 |
| 5663113 | Ammoxidation catalyst composition | Ken Someya | 1997-09-02 |
| 5658842 | Ammoxidation catalyst composition, and process for producing acrylonitrile or methacrylonitrile using the same | Ken Someya, Kunitoshi Aoki, Osamu Nagano | 1997-08-19 |
| 5629443 | Highly purified acetonitrile and process for purifying crude acetonitrile | Shigeo Nakamura, Shigeru Kurihara, Minoru Saitoh | 1997-05-13 |