Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9464250 | Process for producing aviation fuel base oil | Akira Koyama, Tatsuo Hamamatsu, Yasutoshi Iguchi | 2016-10-11 |
| 9447333 | Aviation fuel base oil and aviation fuel composition | Akira Koyama, Tatsuo Hamamatsu, Yasutoshi Iguchi | 2016-09-20 |
| 9340421 | Hydrogen supply system | Atsushi Segawa, Junji Okazaki | 2016-05-17 |
| 9283552 | Method for producing aviation fuel oil base and aviation fuel oil composition | Kazuaki Hayasaka, Hideki Ono, Akira Koyama | 2016-03-15 |
| 9057026 | Method for producing lubricant base oil | Kazuaki Hayasaka, Hideki Ono, Yoshiyuki Nagayasu, Masahiro Taguchi | 2015-06-16 |
| 8784645 | Process for producing hydrocarbon oil | Yasutoshi Iguchi, Tatsuo Hamamatsu, Hideki Ono, Akira Koyama | 2014-07-22 |
| 8551325 | Process for producing hydrocarbon oil | Tatsuo Hamamatsu, Hideki Ono, Yasutoshi Iguchi, Yoshihiko Kinoshita | 2013-10-08 |
| 8303805 | Process for producing gasoline base and gasoline | Shigeto Hatanaka, Koji Shimada | 2012-11-06 |
| 7914593 | Fuel composition | Masanori Hirose | 2011-03-29 |
| 7776784 | Hydrodesulfurization catalyst and hydrodesulfurization process for gasoline fractions | Shigeto Hatanaka, Eitaro Morita, Shinya Takahashi | 2010-08-17 |
| 7429550 | Hydrogenation catalyst for hydrocarbon oil and process for hydrogenation using the catalyst | Kazuaki Hayasaka, Kazuo FUKAZAWA | 2008-09-30 |
| 6251262 | Process for hydrodesulfurization of diesel gas oil | Shigeto Hatanaka, Osamu Sadakane | 2001-06-26 |
| 6251263 | Process and apparatus for hydrodesulfurization of diesel gas oil | Shigeto Hatanaka, Osamu Sadakane | 2001-06-26 |
| 6217748 | Process for hydrodesulfurization of diesel gas oil | Shigeto Hatanaka, Osamu Sadakane | 2001-04-17 |