Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12414636 | Air mattress | Hidekazu Nagai | 2025-09-16 |
| 12383073 | Air mattress | — | 2025-08-12 |
| 12239235 | Mattress, sheet, bed system, and air cell | Makoto Tanaka, Takayuki Arimatsu | 2025-03-04 |
| 12097155 | Mattress, sensor system | Makoto Tanaka | 2024-09-24 |
| 11986096 | Air mattress | Hidekazu Nagai, Takayuki Arimatsu | 2024-05-21 |
| 11910928 | Air mattress | Hidekazu Nagai | 2024-02-27 |
| 11896137 | Air mattress | — | 2024-02-13 |
| 11889927 | Air mat device and internal pressure control method of air cell | — | 2024-02-06 |
| 11730278 | Mattress, sheet, bed system, and air cell | Makoto Tanaka, Takayuki Arimatsu | 2023-08-22 |
| 11432661 | Body state determination device, body support device, and body state determination method | — | 2022-09-06 |
| 10980352 | Air mattress | Yoshinori Ishibashi, Rika Matsumiya | 2021-04-20 |
| 10646391 | Air mattress for gatch bed | Atsushi Kato, Tomokazu Tachikawa | 2020-05-12 |
| 10492619 | Air mat device and internal pressure control method of air cell | — | 2019-12-03 |
| 10463165 | Air mattress having a plurality of air cell groups | Yoshinori Ishibashi, Rika Matsumiya | 2019-11-05 |
| 10335335 | Air mattress for gatch bed | Atsushi Kato, Tomokazu Tachikawa | 2019-07-02 |
| 10334959 | Air mattress having inflating and deflating functions | Makoto Tanaka, Shinji Ueki | 2019-07-02 |
| 10070733 | Air mattress having inflating and deflating functions | Makoto Tanaka, Shinji Ueki | 2018-09-11 |
| 9867748 | Air mattress | Kazuhiro Takeda, Shuichi Aoki, Shinji Ueki | 2018-01-16 |
| 9597244 | Air mattress | Yoshinori Ishibashi, Rika Matsumiya | 2017-03-21 |
| 9198519 | Mattress and bed device | Atsushi Katoh | 2015-12-01 |
| 9114048 | Air mattress | Kazuhiro Takeda, Shuichi Aoki, Shinji Ueki | 2015-08-25 |
| 9095224 | Air mattress | Makoto Tanaka, Rika Matsumiya | 2015-08-04 |