Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10464860 | Method for producing isobutylene from isobutanol | Toshiya Yasukawa, Tatsuya Suzuki, Akio Takeda, Wataru Ninomiya, Ken Ooyachi +1 more | 2019-11-05 |
| 9840453 | Method for producing isobutylene, method for producing methacrylic acid, and method for producing methyl methacrylate | Shuji Akihara, Tatsuya Suzuki, Toshiya Yasukawa, Akio Takeda, Ken Ooyachi | 2017-12-12 |
| 9334233 | Method for producing acrylonitrile | Hirokazu Watanabe, Motoo Yanagita, Takashi Karasuda, Kazufumi Nishida | 2016-05-10 |
| 9181178 | Method for producing acrylonitrile | Hirokazu Watanabe, Motoo Yanagita, Takashi Karasuda, Kazufumi Nishida | 2015-11-10 |
| 9040450 | Process for producing composite oxide catalyst | Motoo Yanagita, Hirokazu Watanabe, Takashi Karasuda | 2015-05-26 |
| 8034736 | Catalyst for synthesizing acrylonitrile and process for producing acrylonitrile | Motoo Yanagita, Hirokazu Watanabe, Takashi Karasuda | 2011-10-11 |
| 8034737 | Catalyst for producing acrylonitrile and process for producing acrylonitrile | Hirokazu Watanabe, Motoo Yanagita | 2011-10-11 |
| 7902112 | Fluidized bed catalyst for producing acrylonitrile and process for producing acrylonitrile | Motoo Yanagita, Hirokazu Watanabe | 2011-03-08 |
| 7365041 | Method for producing ammoxidation catalyst | Motoo Yanagita, Kunio Mori | 2008-04-29 |
| 6723869 | Method for producing acrylonitrile, catalyst for use therein and method for preparing the same | Kunio Mori, Yutaka Sasaki, Hirokazu Watanabe | 2004-04-20 |
| 6653496 | Method for producing acrylonitrile, catalyst for use therein and method for preparing the same | Kunio Mori, Yutaka Sasaki, Hirokazu Watanabe | 2003-11-25 |
| 6642405 | Method for producing acrylonitrile, catalyst for use therein and method for preparing the same | Kunio Mori, Yutaka Sasaki, Hirokazu Watanabe | 2003-11-04 |
| 6479691 | Catalyst for producing unsaturated nitrile | Yutaka Sasaki, Kunio Mori, Yoshimi Nakamura, Takao Shimizu, Yuichi Tagawa +1 more | 2002-11-12 |
| 5976482 | Process for production of prussic acid | Yutaka Sasaki, Hiroshi Utsumi, Kazuo Morishita | 1999-11-02 |
| 5139988 | Iron-antimony-containing metal oxide catalyst composition and process for producing the same | Yutaka Sasaki, Hiroshi Utsumi | 1992-08-18 |