Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11345651 | Addition condensation product, production method and use of same, polymerization vessel, and production method of polymer | Yoshikatsu TSUCHIYA, Kentaro Yamanaka | 2022-05-31 |
| 7459047 | Preparation of flexible copper foil/polyimide laminate | Makoto Fujiwara, Shigehiro Hoshida, Michio Aizawa, Tadashi Amano | 2008-12-02 |
| 7060784 | Polyimide precursor resin solution composition sheet | Shigehiro Hoshida, Michio Aizawa, Tadashi Amano | 2006-06-13 |
| 6965002 | Process for producing vinyl chloride-based polymer | Tadashi Amano | 2005-11-15 |
| 6825288 | Method of producing of vinyl chloride-based polymer | Toyotaro Kuniyasu, Tadashi Amano | 2004-11-30 |
| 6455646 | Polymerization of vinyl chloride with hydroxycarboxylic acids, inhibitors and Fe ions | Minoru Shigemitsu, Tadashi Amano | 2002-09-24 |
| 5728781 | Polymer scale depostion preventive agent and a process for producing polymers using the same | Toshihide Shimizu | 1998-03-17 |
| 5432241 | Process to prevent polymer scale adhesion using an aromatic compound and a salt of polyvinylsulfuric acid | Mikio Watanabe, Susumu Ueno | 1995-07-11 |
| 5430113 | Process to prevent polymer scale adhesion using an aromatic compound and a salt of polyvinylsulfuric acid | Hajime Kitamura, Susumu Ueno, Mikio Watanabe, Masayoshi Yono | 1995-07-04 |
| 5411675 | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel | Susumu Ueno | 1995-05-02 |
| 5360857 | Polymer scale preventive agent from naphthoquinone dye | Hajime Kitamura, Susumu Ueno, Mikio Watanabe, Toshihiko Nakano | 1994-11-01 |
| 5354817 | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition and process for preparation of polymer | Hajime Kitamura, Susumu Ueno, Mikio Watanabe, Richard W. Armentrout, Thomas J. Pollock | 1994-10-11 |
| 5292834 | Method of preventing polymer scale deposition | Mikio Watanabe, Susumu Ueno | 1994-03-08 |
| 5262497 | Method of preventing polymer scale deposition and polymer scale preventive liquid used therein | Mikio Watanabe, Susumu Ueno | 1993-11-16 |
| 5244986 | Method of preventing polymer scale deposition | Mikio Watanabe, Susumu Ueno | 1993-09-14 |
| 5241022 | Coating solution for preventing adhesion of polymer scale and method for preventing scale adhesion during preparation of polymers | Mikio Watanabe, Hajime Kitamura, Susumu Ueno, Masayoshi Yono | 1993-08-31 |
| 5147455 | Method of preventing polymer scale deposition and polymer scale preventive liquid used therein | Mikio Watanabe, Susumu Ueno | 1992-09-15 |
| 5142003 | Agents to prevent polymer scale deposition and a method therefor | Mikio Watanabe, Susumu Ueno | 1992-08-25 |