Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7785446 | Flow sheet for paper machine and method of manufacturing the same | Akimine Izawa, Keiichi Fujiki, Toshihiro Ito, Hiroshi Odani | 2010-08-31 |
| 7094191 | Press roll | Haruyoshi Fujiwara, Hidemasa Iijima | 2006-08-22 |
| 6902651 | Tube bank structure, and flow tube producing method | Keiichi Fujiki, Akimine Izawa | 2005-06-07 |
| 5997693 | Stock liquor pressure pulsation absorbing apparatus and method | Hideki Hirooka, Toshimi Tajima, Mamoru Tanaka | 1999-12-07 |
| 5542133 | Sanitary device | Hideki Furukawa, Osamu Matsubara, Atsushi Sawaki, Shinji Kawai | 1996-08-06 |
| 5470439 | End portion flow rate regulating apparatus for a paper machine headbox | Keiichi Fujiki, Toshimi Tajima | 1995-11-28 |
| 5208922 | Sanitary device | Haruo Machinaga, Shinji Kawai, Osamu Matsubara | 1993-05-11 |
| 5147509 | Headbox for a papermaking machine with distribution tubes | Mutsuo Kuragasaki, Yasuhiro Sueoka, Akira Equchi | 1992-09-15 |
| 4708773 | Impermeable plate for uniformly dispersing paper raw material in a twin wire paper former | Haruyoshi Fujiwara, Hiroshi Iwata | 1987-11-24 |
| 4604164 | Flow restraining elements in the headbox of a paper machine | Haruyoshi Fujiwara | 1986-08-05 |