Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11840744 | Method for recovering gold and gold recovery facility | Ryuichi Ansai, Fumi OONO, Satoshi Sakuma, Fumiaki Satou, Akihiro Ishii | 2023-12-12 |
| 11261276 | Polymer, method for producing polymer and polymer flocculant | Kazunori Mukunoki, Toshiaki Hattori, Shin Suwabe | 2022-03-01 |
| 10899701 | Method for producing N-(alpha-alkoxyethyl)formamide | Kouji Teramoto, Hitoshi Nishimura | 2021-01-26 |
| 10889541 | Method for producing N-vinylformamide | Noritsugu Ooishi, Kouji Teramoto | 2021-01-12 |
| 10723820 | Method for producing vinylamine unit-containing polymer and polymerization product | Akihiro Ishii | 2020-07-28 |
| 9745448 | Method for producing vinyl amine unit-containing polymer solution | Akihiro Ishii | 2017-08-29 |
| 6602940 | Process for the preparation of aqueous solution or dispersion containing cationic polymer | Shin Sato, Takahiro Oshida, Takashi Ono, Kiyoji Kuma, Atsuo Takeuchi | 2003-08-05 |
| 6559227 | Process for producing vinylamine-vinyl alcohol copolymer and use of the copolymer | Kohichi Satoh, Nobuhiko Ueno | 2003-05-06 |
| 5962570 | Process for the preparation of aqueous solution or dispersion containing cationic polymer | Shin Sato, Takahiro Oshida, Takashi Ono, Kiyoji Kuma, Atsuo Takeuchi | 1999-10-05 |
| 5806058 | Index managing method in database managing system | Nobuo Kawamura | 1998-09-08 |
| 5653772 | Method of fixing cellulose fibers dyed with a reactive dye | Nobuhiko Ueno, Kouji Midori, Juji Uchida, Masayuki Maeno | 1997-08-05 |
| 5527963 | Production of N-vinylformamide | Shin Sato, Toshimitsu Inoue | 1996-06-18 |
| 5512645 | Lactam ring containing polymer | Shigeru Sawayama, Yukino Nagai | 1996-04-30 |
| 4798110 | Method for positioning tools | Masateru Tokuno, Tetsuya Sawata | 1989-01-17 |
| 4737846 | Device for detecting defects in single faced corrugated fiberboards | Masateru Tokuno, Tetsuya Sawada, Ikuo Yoshimoto | 1988-04-12 |
| 4696212 | Rotary cutter | Masateru Tokuno, Tetsuya Sawada | 1987-09-29 |
| 4658723 | Color printing machine | Masateru Tokuno, Tetsuya Sawada | 1987-04-21 |
| 4600841 | Apparatus for detecting marks on a running web | Masateru Tokuno | 1986-07-15 |
| 4592278 | Printing apparatus | Masateru Tokuno, Tetsuya Sawada | 1986-06-03 |
| 4580086 | Method for positioning tools | Masateru Tokuno, Tetsuya Sawada | 1986-04-01 |
| 4577746 | Control system for blank presser | Masateru Tokuno, Tetsuya Sawada | 1986-03-25 |
| 4548109 | Apparatus for positioning tools | Masateru Tokuno, Tetsuya Sawata | 1985-10-22 |
| 4541335 | Web printing apparatus with printing plate cylinder and web speed control | Masateru Tokuno, Tetsuya Sawada | 1985-09-17 |
| RE30868 | Paper roll diameter sensing device for use with paper splicing apparatus | — | 1982-02-16 |