Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7060779 | Processes for producing hydrocarbon/phenol resin and producing epoxy resin | Satoshi Mori | 2006-06-13 |
| 6180079 | Wet oxidizing process | — | 2001-01-30 |
| 5846429 | Method for separating and recovering boron trifluoride | Yoshisuke Kakuyama, Tsutomu Takashima | 1998-12-08 |
| 5777191 | Wet oxidizing process of waste soda | Jun-ichi Kohhashi | 1998-07-07 |
| 5457228 | Method for producing lower alkyl acetate | Yuichi Tokumoto, Kazuo Sakamoto, Kikuo Sasaki | 1995-10-10 |
| 5436402 | Method for preparing p-isobutylstyrene | Yasuo Matsumura, Yuichi Tokumoto, Kazumichi Uchida | 1995-07-25 |
| 5260477 | Method for preparing alpha-(4-isobutylphenyl)propionic acid or its precursor | Yasuo Matsumura, Yuichi Tokumoto, Kazumichi Uchida | 1993-11-09 |
| 5221766 | Method for producing .alpha.-(p-isobutylphenyl) propionic acid | Yasuo Matsumura | 1993-06-22 |
| 5166419 | Method for preparing .alpha.-(4-isobutylphenyl) propionic acid or its precursor | Yuuichi Tokumoto, Satoru Inoue | 1992-11-24 |
| 5097061 | Method for preparing .alpha.-(4-isobutylphenyl)propionic acid or its precursor | Yasuo Matsumura, Yuuichi Tokumoto, Kazumichi Uchida | 1992-03-17 |
| 5081279 | Production of .alpha.-(3-benzoylphenyl)propionic acid derivative | Yasuo Matsumura, Yoshihisa Inomata | 1992-01-14 |
| 5026939 | Method for producing 4-isobutylstyrene | Yasuo Matsumura, Yoshihisa Inomata | 1991-06-25 |
| 4999450 | Process for preparing alpha-(3-benzylphenyl) propionic acid derivative | Yasuo Matsumura, Yutaka Arai | 1991-03-12 |
| 4982007 | Process for selectively hydroformulating diolefin | Yasuo Matsumura, Yutaka Arai | 1991-01-01 |
| 4967009 | Method for oxidizing unsaturated aromatic compounds | Yasuo Matsumura, Kouichi Iwamoto | 1990-10-30 |
| 4937375 | (Phenylethenyl)phenylpropionic acid and its ester, and method for producing (benzoylphenyl)propionic acid or its ester | Yasuo Matsumura, Yutaka Arai | 1990-06-26 |
| 4922052 | (Vinylphenyl)phenylmethane and method for producing (benzoylphenyl) propionic acid | Yasuo Matsumura, Yutaka Arai | 1990-05-01 |
| 4914242 | Process for preparing 3-ethylbenzophenone | Yasuo Matsumura, Yutaka Arai | 1990-04-03 |
| 4908473 | Process for selectively hydroesterifying diolefin | Yasuo Matsumura, Yutaka Arai | 1990-03-13 |
| 4889952 | (Phenylethenyl) phenylpropionaldehyde and method for producing (benzolyphenyl) propionic acid using the same | Yasuo Matsumura, Yutaka Arai | 1989-12-26 |
| 4885419 | 1,2-Di(4-isobutylphenyl)hydrocarbon and its preparation and uses as intermediate | Yasuo Matsumura, Yoshihisa Inomata | 1989-12-05 |
| 4855518 | Method for producing p-alkylstyrene | Yuuichi Tokumoto | 1989-08-08 |
| 4855519 | Method for producing arylethylene | Hitoshi Mitsuyuki, Kazumichi Uchida, Yuuichi Tokumoto | 1989-08-08 |
| 4835337 | Method for producing m-ethyldiphenyls | Yasuo Matsumura, Kazumichi Uchida | 1989-05-30 |
| 4827065 | Method of producing p-isobutylstyrene and a starting compound therefor | Ryotaro Hirano, Yasuo Matsumura, Hideki Nomura, Kazumichi Uchida, Atsushi Sato | 1989-05-02 |