Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7468342 | Catalysts and process for producing aromatic amines | Yoshinori Kanamori, Kengo Tsukahara, Yasushi Hiramatsu | 2008-12-23 |
| 7307181 | Process for producing a nitrile compound | Kenichi Nakamura, Fumio Tanaka, Takuji Shitara | 2007-12-11 |
| 7179945 | High-selective production method of di(aminomethyl)-substituted aromatic compound | Yoshinori Kanamori, Kengo Tsukahara, Yoshiaki Yamamoto | 2007-02-20 |
| 7161021 | Process for producing a polynitrile compound | Kenichi Nakamura, Fumio Tanaka, Takuji Shitara | 2007-01-09 |
| 6541632 | Process for producing heterocyclic nitriles | Hideaki Ogino, Takashi Okawa, Yoshinori Kanamori | 2003-04-01 |
| 6429330 | Process for producing carbocyclic nitriles | Hideaki Ogino, Takashi Okawa, Yoshinori Kanamori | 2002-08-06 |
| 6284893 | Process for producing nitrile compounds | Takuji Shitara, Takashi Okawa, Fumisada Kosuge | 2001-09-04 |
| 6107510 | Process for producing nitrile compound and catalyst used therefor | Hideaki Ogino, Takashi Okawa, Kinya Tsuji | 2000-08-22 |
| 5965769 | Method for heat recovery and utilization by use of chemical energy of synthesis and decomposition of methyl formate | Shiro Kajiyama, Futoshi Ikoma, Atsushi Okamoto, Mikio Yoneoka, Kenji Nakamura | 1999-10-12 |
| 5739379 | Process for producing methyl methacrylate | Yoshikazu Shima, Mariko Abe | 1998-04-14 |
| 5703272 | Process for preparing a carboxylic acid ester | Mariko Abe, Takafumi Abe, Hirofumi Higuchi | 1997-12-30 |
| 5587349 | Process for preparing silica-titania catalyst | Mariko Abe, Takafumi Abe, Hirofumi Higuchi | 1996-12-24 |
| 5439661 | Process for producing hydrogen cyanide | Takafumi Abe, Kazuhiro Sugamura, Taiji Matsuzaki, Hirofumi Higuchi | 1995-08-08 |
| 5175366 | Process for producing a denaturated manganese dioxide catalyst for the hydration reaction of cyanohydrins | Hiroyuki Hirayama, Hirofumi Higuchi, Koichi Kida | 1992-12-29 |
| 5087737 | Process for producing methyl methacrylate | Hirofumi Higuchi, Koichi Kida | 1992-02-11 |
| 5087750 | Process for producing alpha-hydroxyisobutyric acid amide | Akitomo Uda, Hirofumi Higuchi | 1992-02-11 |
| 5061675 | Process for producing a denaturated manganese dioxide catalyst for the hydration reaction of cyanohydrins | Hiroyuki Hirayama, Hirofumi Higuchi, Koichi Kida | 1991-10-29 |
| 5023390 | Process for production of 2,6-dimethylnaphthalene | Takafumi Abe, Hiroshi Machida, Koichi Kida | 1991-06-11 |
| 4987256 | Process for production of .alpha.-hydroxycarboxylic acid amide | Hiroyuki Hirayama, Takako Uchiyama | 1991-01-22 |
| 4983757 | Process for production of carboxylic acid esters and formamide | Jiro Ishikawa, Hirofumi Higuchi, Koichi Kida | 1991-01-08 |
| 4952665 | Process for production of aromatic polyethers with alkali metal carbonate/bicarbonate/fluoride cocatalyst | Yasushi Higuchi | 1990-08-28 |
| 4950801 | Process for producing alpha-hydroxycarboxylic acid amide | Hiroyuki Hirayama, Hirofumi Higuchi, Toshio Kondo, Koichi Kida | 1990-08-21 |
| 4547482 | Catalyst composition suited for synthesis of methanol | Minoru Osugi, Tadasi Nakamura | 1985-10-15 |
| 4386017 | Preparation of improved catalyst composition | Tadasi Nakamura, Minoru Osugi, Yoriko Obata | 1983-05-31 |
| 4305842 | Preparation of improved catalyst composition | Kazuo Asakawa, Yasuo Yamamoto, Tadasi Nakamura | 1981-12-15 |