Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9309470 | Process and apparatus for producing olefin | Takashi Tsunoda | 2016-04-12 |
| 8034987 | Process for producing propylene and aromatic hydrocarbons, and producing apparatus therefor | Yoshikazu Takamatsu | 2011-10-11 |
| 7754934 | Process for producing ethylene and propylene | Takashi Tsunoda | 2010-07-13 |
| 6894163 | Process for preparation of epsilon-caprolactam | Takashi Tsunoda, Kenji Akagishi | 2005-05-17 |
| 6307117 | Method for producing ethylene and propylene | Takashi Tsunoda | 2001-10-23 |
| 5968342 | Zeolite catalyst and method of converting hydrocarbons using the same | Takashi Tsunoda, Tokitaka Kaneshima | 1999-10-19 |