Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284362 | Absorbent compositions, methods for producing thereof and absorbent products | Hitoshi Takai, Tsuyoshi Yuki, Daisuke Tagawa, Kenji Tanaka, Keiji Tanaka +2 more | 2001-09-04 |
| 6156678 | Water absorbing agent absorbent material | Tsuyoshi Yuki, Kenji Tanaka | 2000-12-05 |
| 5986166 | Absorbent product including absorbent layer treated with surface active agent | Kazuhiko Iguchi, Kenji Tanaka | 1999-11-16 |
| 5980879 | Deodorant resin composition and process for production thereof | Ishikawa Hiroki, Norihiko Ishikawa, Naoki Ohba, Takeru Mori, Kenji Tanaka | 1999-11-09 |
| 5811531 | Absorbent with stability against salts and process for production thereof | Kazuhiko Iguchi, Kenji Tanaka | 1998-09-22 |
| 5716707 | Water absorbent compositon and material | Kazuhiko Iguchi, Kenji Tanaka | 1998-02-10 |
| 5676660 | Absorbent product including absorbent layer treated with surface active agent | Kazuhiko Iguchi, Kenji Tanaka | 1997-10-14 |
| 5672419 | Water absorbent composition and material | Kazuhiko Iguchi, Kenji Tanaka | 1997-09-30 |