Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11958921 | Poly (meth) acrylic acid (salt)-based particulate water-absorbing agent and production method therefor | Tsuyoshi YORINO, Daisuke Takeda, Yoshitaka Ikeuchi, Shigeru Sakamoto, Yoshihiro Shobo +3 more | 2024-04-16 |
| 11931290 | Water absorbent resin powder for heat-generating element composition, and heat-generating element composition | Shigeru Sakamoto, Sumito Kumagai, Kozo Nogi, Kunihiko Ishizaki | 2024-03-19 |
| 11535689 | Poly (meth) acrylic acid (salt)-based particulate water-absorbing agent and production method therefor | Tsuyoshi YORINO, Daisuke Takeda, Yoshitaka Ikeuchi, Shigeru Sakamoto, Yoshihiro Shobo +3 more | 2022-12-27 |