Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6063265 | Process for producing hydrodesulfurization catalyst and hydrodesulfurizing gas oil therewith | Osamu Chiyoda, Mitsugu Yumoto, Kazuo Idei, Etsuo Suzuki, Katsuyoshi Ohki +3 more | 2000-05-16 |
| 5853679 | Removal of nitrogen oxide from exhaust gas | Mitsunori Tabata, Masaaki Kawatsuki, Katsumi Miyamoto, Hiroshi Tsuchida, Tomohiro Yoshinari +8 more | 1998-12-29 |
| 5494875 | Alumina-containing carrier and hydrofining catalyst for hydrocarbon oils | Shigenori Nakashizu, Kentarou Ishida, Eiko Kogure | 1996-02-27 |
| 5444033 | Catalyst compositions for hydrotreating of hydrocarbon oils and process for manufacturing the same. | Shigenori Nakashizu, Kentarou Ishida | 1995-08-22 |
| 5336476 | Process for removing nitrogen oxides in exhaust gases to nitrogen | Yoshiaki Kintaichi, Hideaki Hamada, Takehiko Ito, Motoi Sasaki, Mitsunori Tabata | 1994-08-09 |
| 5248412 | Process for producing catalyst composition for use in hydrodesulfurization of hydrocarbon oil and process for hydrodesulfurizing hydrocarbon oil | Takashi Fujikawa, Katsuyoshi Ohki | 1993-09-28 |
| 5244858 | Catalyst composition for hydrodesulfurization of hydrocarbon oil and process for producing the same | Takashi Fujikawa, Katsuyoshi Ohki | 1993-09-14 |
| 5227145 | Process for removing nitrogen oxides from exhaust gases | Yoshiaki Kintaichi, Hideaki Hamada, Takehiko Ito, Motoi Sasaki, Fujio Suganuma +4 more | 1993-07-13 |
| 5187133 | Catalyst composition for hydrotreating of hydrocarbons and hydrotreating process using the same | Tomohiro Yoshinari, Yasuo Yamamoto, Mitsuru Ohi | 1993-02-16 |
| 5182250 | Catalyst composition for hydrodesulfurization of hydrocarbon oil and process for producing the same | Takashi Fujikawa, Katsuyoshi Ohki | 1993-01-26 |
| 5137859 | Process for producing catalyst composition for use in hydrodesulfurization of hydrocarbon oil | Takashi Fujikawa, Katsuyoshi Ohki | 1992-08-11 |
| 5002919 | Catalyst composition for hydrogenation of heavy hydrocarbon oil and process for producing the catalyst | Hatsutaro Yamazaki, Takeshi Tomino, Tomohiro Yoshinari, Takuo Suzuki | 1991-03-26 |
| 4981832 | Catalyst composition for hydrogenation of heavy hydrocarbon oil and process for producing the catalyst | Kinya Tawara, Kazuyoshi Kudoh, Tomohiro Yoshinari, Shigenori Nakashizu | 1991-01-01 |
| 4912353 | Two-piece motor stator | Genki Kondo | 1990-03-27 |
| 4585748 | Crystalline catalyst compositions for the conversion of hydrocarbons | Kinya Tawara | 1986-04-29 |