Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8927011 | Method for producing pharmaceutical tablet | Hiroshi Suzuki | 2015-01-06 |
| 8623405 | Finely divided composition containing poorly water soluble substance | Hiroshi Suzuki, Naomi Nagaoka | 2014-01-07 |
| 6992041 | Deep desulfurization catalyst, method for preparing the same and method for desulfurization using the same | Tomoyuki Yogo, Takashi Suzuki | 2006-01-31 |
| 6503918 | D-mannitol and its preparation | Fritz Schueckler, Norbert Poellinger, Shinji Maegata | 2003-01-07 |
| 6399035 | Reduction purification method of nitrogen oxide-containing exhaust gas | Mitsunori Tabata, Katsumi Miyamoto, Kazuhito Sato, Sadao Takehara | 2002-06-04 |
| 6235947 | D-mannitol and its preparation | Fritz Schueckler, Norbert Poellinger, Shinji Maegata | 2001-05-22 |
| 6030590 | Reduction purification method of nitrogen oxide-containing exhaust gas | Mitsunori Tabata, Katsumi Miyamoto, Kazuhito Sato, Sadao Takehara | 2000-02-29 |
| 5853679 | Removal of nitrogen oxide from exhaust gas | Mitsunori Tabata, Masaaki Kawatsuki, Katsumi Miyamoto, Hiroshi Tsuchida, Kazushi Usui +8 more | 1998-12-29 |
| 5187133 | Catalyst composition for hydrotreating of hydrocarbons and hydrotreating process using the same | Kazushi Usui, Yasuo Yamamoto, Mitsuru Ohi | 1993-02-16 |
| 5002919 | Catalyst composition for hydrogenation of heavy hydrocarbon oil and process for producing the catalyst | Hatsutaro Yamazaki, Takeshi Tomino, Kazushi Usui, Takuo Suzuki | 1991-03-26 |
| 4981832 | Catalyst composition for hydrogenation of heavy hydrocarbon oil and process for producing the catalyst | Kinya Tawara, Kazuyoshi Kudoh, Kazushi Usui, Shigenori Nakashizu | 1991-01-01 |
| 4728672 | Process for producing hydrocarbons | Fujio Suganuma, Chikara Sera | 1988-03-01 |