Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5123836 | Method for the combustion treatment of toxic gas-containing waste gas | Noriyuki Yoneda, Hidehiko Kudoh, Norio Iwamoto, Chiaki Kojima, Kunio Kaneko +3 more | 1992-06-23 |
| 4956326 | Method for dehalogenation of a halide and catalyst used therefor | Noriyuki Yoneda, Toshiji Makabe, Jun Kaita, Yoshiko Endoh, Hidehiko Kudoh +1 more | 1990-09-11 |
| 4909923 | Method for hydrogenation of coal tar pitch | Hiroshi Okazaki, Tadashi Komoto, Osamu Togari, Noriyuki Yoneda, Haruhiko Yoshida +1 more | 1990-03-20 |
| 4855123 | Method of oxidizing sulfide-containing liquor | Masayuki Suzuki, Shinichi Hara, Kuniaki Kimura, Takeo Ono, Yoshihiro Ohguchi | 1989-08-08 |
| 4562059 | Method of preparing alumina | Sachio Asaoka, Takashi Sendo | 1985-12-31 |
| 4444655 | Hydrotreatment of heavy hydrocarbon oils containing asphaltenes, and catalysts therefor | Yoshimi Shiroto, Takeo Ono, Sachio Asaoka | 1984-04-24 |
| 4424142 | Catalyst for hydrotreatment of heavy hydrocarbon oils | Sachio Asaoka, Yoshimi Shiroto, Takeo Ono | 1984-01-03 |
| 4422960 | Catalysts for hydrotreatment of heavy hydrocarbon oils containing asphaltenes | Yoshimi Shiroto, Takeo Ono, Sachio Asaoka | 1983-12-27 |
| RE31036 | Catalysts for demetallization treatment of hydrocarbons supported on sepiolite | Masayoshi Inooka, Motoyoshi Wakabayashi, Masatoshi Matsuda, Masaaki Kasuya, Tatsuo Morimoto | 1982-09-21 |
| 4326991 | Process for preparing a catalyst for hydrotreatment of heavy hydrocarbon oils | Sachio Asaoka, Yoshimi Shiroto | 1982-04-27 |
| 4248852 | Process for the production of alumina suitable for use as a catalyst carrier | Motoyoshi Wakabayashi, Takeo Ono, Osamu Togari | 1981-02-03 |
| 4196102 | Catalysts for demetallization treatment of _hydrocarbons supported on sepiolite | Masayoshi Inooka, Motoyoshi Wakabayashi, Masatoshi Matsuda, Masaaki Kasuya, Yoshihoro Ohguchi +1 more | 1980-04-01 |