Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504069 | Process for producing dimethyltetralin | Youichi Kyuuko, Norio Fushimi | 2003-01-07 |
| 6452047 | Process for producing highly pure aromatic polycarboxylic acid | Ryusuke Shigematsu, Masayoshi Hayashi, Akio Hashimoto | 2002-09-17 |
| 6072098 | Process for producing highly pure 2,6-dimethylnaphthalene | Ryusuke Shigematsu | 2000-06-06 |
| 5948949 | Process for producing 2,6-dimethylnaphthalene | Ryusuke Shigematsu, Kuniaki Ageishi, Ko Kedo | 1999-09-07 |
| 5872291 | Process for producing benzoyl chlorides | Takeshi Koshikawa, Toshihiro Hashimoto | 1999-02-16 |
| 5859294 | Process for the production of high-purity naphthalenedicarboxylic acid | Akio Hashimoto, Ryusuke Shigematsu, Kenichi Nakamura | 1999-01-12 |
| 5700944 | Process for the production of pyridinecarboxylic acids | Toshihiro Hashimoto, Kenichi Nakamura | 1997-12-23 |
| 5659097 | Process for producing a monoalkenyl aromatic hydrocarbon compound | Norio Fushimi | 1997-08-19 |
| 5599981 | Process for producing alkylbenzoyl chloride | Norio Fushimi, Kenichi Nakamura | 1997-02-04 |
| 5527977 | Process for producing monoalkenyl aromatic hydrocarbon compound | Kenichi Nakamura, Kinji Kato, Akio Hashimoto, Takayo Sasaki | 1996-06-18 |
| 5495060 | Method for isomerizing dimethylnaphthalene | Ryusuke Shigematsu, Kazuo Nagagata | 1996-02-27 |
| 5481055 | Method for isomerizing dimethylnaphthalene | Ryusuke Shigematsu, Takayo Sasaki | 1996-01-02 |
| 5446226 | Process for producing dimethylnaphthalene | Shinji Ozawa, Takayasu Fujimori | 1995-08-29 |
| 5444172 | Process for producing a monoalkenyl aromatic hydrocarbon compound | Kenji Inamasa, Norio Fushimi, Akio Hashimoto, Takayo Sasaki | 1995-08-22 |
| 5436381 | Process for producing a monoalkenyl aromatic hydrocarbon compound | Kinji Kato, Norio Fushimi, Ko Kedo | 1995-07-25 |
| 5396008 | Process for production of dimethyltetralin | Shinji Ozawa, Kenji Dnamasa | 1995-03-07 |
| 5396007 | Process for production of dimethylnaphthalene | Yoichi Kyuko, Shinji Ozawa, Kenji Inamasa | 1995-03-07 |
| 5371293 | Process for producing bisaminomethylcyclohexane | — | 1994-12-06 |
| 5367098 | Process for producing monoalkenyl armomatic hydrocarbon compound | Norio Fushimi, Ko Kedo, Kenji Inamasa | 1994-11-22 |
| 5344806 | Process for producing monoalkenyl aromatic hydrocarbon compound | Norio Fushimi, Kenji Inamasa | 1994-09-06 |
| 5334794 | Process for producing monoalkenyl aromatic hydrocarbon compound | Norio Fushimi, Ko Kedo, Kenji Inamasa | 1994-08-02 |
| 5321178 | Process for producing 2,6-dimethylnaphthalene | Kenji Inamasa, Norio Fushimi | 1994-06-14 |
| 5276230 | Process for production of 2,6-dimethylnaphthalene | Kenji Inamasa, Norio Fushimi | 1994-01-04 |
| 5254769 | Method of isomerization of dimethylnaphthalenes | Ken Yamagishi, Kazuo Nagagata | 1993-10-19 |
| 5068480 | Process for producing 2,6-dimethylnaphthalene | Ken Yamagishi, Jyun Yoshihara, Kenji Inamasa, Kumiko Watabe | 1991-11-26 |