Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750079 | Polymerization apparatus of producing vinyl chloride type polymer | Takuya Ueda, Kikuo Nakajima, Yoichi Tanifuji, Tadashi Amano | 1998-05-12 |
| 5612437 | Polymerization apparatus and method of producing vinyl chloride type polymer by using the same | Takuya Ueda, Kikuo Nakajima, Yoichi Tanifuji, Tadashi Amano | 1997-03-18 |
| 5537614 | Signal level display unit | Haruo Hagimori | 1996-07-16 |
| 5512837 | Voltage drop detecting circuit | — | 1996-04-30 |
| 5449723 | Method for the preparation of a vinyl chloride-based polymer | Tadashi Amano | 1995-09-12 |
| 5444131 | Polymerization process with recycle line containing screen with rodlike projection | Yoichi Tanifuji, Tadashi Amano | 1995-08-22 |
| 5444130 | Process for producing vinyl chloride-based polymer | Tadashi Amano | 1995-08-22 |
| 5420215 | Process for producing vinyl chloride-based polymer | Tadashi Amano | 1995-05-30 |
| 5357011 | Process for producing vinyl chloride-based polymers | Tadashi Amano | 1994-10-18 |
| 5348708 | Polymerizing apparatus | Tadashi Amano | 1994-09-20 |
| 5328666 | Polymerizing apparatus | Tadashi Amano | 1994-07-12 |
| 5310832 | Process for producing vinyl chloride-based polymer | Tadashi Amano | 1994-05-10 |
| 5282680 | Apparatus for continuous polymerization | Tadashi Amano, Minoru Shigemitsu, Yasuhiro Takahashi, Hajime Kitamura | 1994-02-01 |