Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9616612 | Apparatus for producing a stretchable sheet | Shinichi Ishikawa, Jun Okuda, Akihisa Shiomi | 2017-04-11 |
| 9333123 | Disposable wearing articles and a seam welder used to form the same | Toshifumi Otsubo, Tatsuya Hashimoto, Mariko Yamashita | 2016-05-10 |
| 9296151 | Method and apparatus for producing a stretchable sheet | Shinichi Ishikawa, Jun Okuda, Akihisa Shiomi | 2016-03-29 |
| 9198804 | Method of manufacturing sheet, method of manufacturing material of absorbent article, and apparatus to manufacture sheet | Shinichi Ishikawa, Yukihisa AKANO, Satoshi Mitsuno | 2015-12-01 |
| 9107774 | Manufacturing method and manufacturing equipment of composite sheet of absorbent article | Shinichi Ishikawa, Jun Okuda | 2015-08-18 |
| 9067396 | Method of producing composite sheet, method of producing absorbing article using composite sheet and apparatus that produces composite sheet | Shinichi Ishikawa | 2015-06-30 |
| 8763669 | Apparatus for manufacturing composite sheet of absorbent article | Shinichi Ishikawa, Jun Okuda | 2014-07-01 |
| 8623168 | Manufacturing method and manufacturing apparatus of composite sheet of absorbent article | Shinichi Ishikawa, Jun Okuda | 2014-01-07 |