Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8181790 | Flotation apparatus | Minoru Ishida, Masami Kashibo, Munetaka Sonoda, Tomoaki Koyanagi, Tatsumi Hosaka | 2012-05-22 |
| 7624939 | Kneader | Mitsuhiro Sugino, Takashi Onizaki, Isao Aoki, Hisashi Iwabuchi | 2009-12-01 |
| 7121411 | Screen apparatus | — | 2006-10-17 |
| 6969019 | Refiner and agitating apparatus for papermaking | — | 2005-11-29 |
| 6923329 | Screen apparatus | — | 2005-08-02 |
| 6811106 | Refiner | — | 2004-11-02 |
| 6669028 | Cylindrical screen | — | 2003-12-30 |
| 6494994 | Pulp heating apparatus | — | 2002-12-17 |
| 6206204 | Screen apparatus | — | 2001-03-27 |
| 6149015 | Screen apparatus for papermaking material | — | 2000-11-21 |
| 6051103 | Paper-making screen apparatus | — | 2000-04-18 |
| 5884774 | Papermaking screen | — | 1999-03-23 |
| 5804075 | Papermaking screen having first and second annular supports with immovable space holding and parallel elongated member extending there between | — | 1998-09-08 |
| 5762275 | Double-disc refiner | — | 1998-06-09 |
| 5707019 | Refiner with easily attachable discs | — | 1998-01-13 |
| 5695135 | Refiner with easily attachable disc | — | 1997-12-09 |
| 5665207 | Strainer for paper making | — | 1997-09-09 |
| 5647128 | Method of manufacturing paper making screen plate | — | 1997-07-15 |
| 5626235 | Papermaking screen | — | 1997-05-06 |
| 5605234 | Paper making screen plate | — | 1997-02-25 |
| 5586662 | Basket for a paper-making screen and method for producing same | — | 1996-12-24 |
| 5518584 | Device for detecting foreign matter in pulp suspension | — | 1996-05-21 |
| 5443213 | Screen apparatus for paper making | — | 1995-08-22 |
| 5279710 | Doctor blade supporting structure | — | 1994-01-18 |