Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143601 | Disposable diaper | Katsuhiko Sugiyama, Ikuko Furukawa | 2018-12-04 |
| 8439885 | Disposable diaper having a stool passing opening | Katsushi Sakano, Katsuhiko Sugiyama, Kahori Suzuki | 2013-05-14 |
| 8211076 | Disposable diaper | Katsuhiko Sugiyama, Kahori Suzuki | 2012-07-03 |
| 8211077 | Disposable pant-type diaper | Katsuhiko Sugiyama, Tomotsugu Miyoshi, Takeshi Niimi, Kahori Suzuki | 2012-07-03 |
| 8066683 | Disposable diaper | Katsuhiko Sugiyama, Tomotsugu Miyoshi | 2011-11-29 |
| 7785310 | Disposable diaper | Katsushi Sakano, Katsuhiko Sugiyama, Tomotsugu Miyoshi | 2010-08-31 |
| 7670325 | Disposable diaper | Katsuhiko Sugiyama, Kahori Suzuki | 2010-03-02 |
| 7566330 | Disposable diaper | Katsuhiko Sugiyama, Kahori Suzuki | 2009-07-28 |
| 5759673 | Ink jet recording sheet | Hideo Ikezawa, Tomotsugu Miyoshi, Yoshiharu Kawashima | 1998-06-02 |