Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410075 | Water softening device | Noriyoshi Ueya, Mai SAITO | 2025-09-09 |
| 12264093 | Ion removal system | Takuya Kanda, Ayane Takehisa, Tomohiro Akita | 2025-04-01 |
| 12195957 | Cleaning device, cleaning system including same, and cleaning method using said cleaning device | Naoki Shibata, Sakiho Asa, Mai SAITO | 2025-01-14 |
| 12134573 | Ion removal system | Ayane Takehisa, Takuya Kanda, Tomohiro Akita | 2024-11-05 |
| 12110246 | Ion removal system | Ayane Takehisa, Takuya Kanda, Tomohiro Akita | 2024-10-08 |
| 11993528 | Ion removing system | Ayane Takehisa, Tomohiro Akita | 2024-05-28 |
| 11939250 | Ion removing system | Tomohiro Akita, Ayane KIHARA | 2024-03-26 |
| 11780752 | Ion-exchange resin regeneration system | Tomohiro Akita, Ayane Takehisa | 2023-10-10 |
| 11339072 | Ion removing system | Ayane Takehisa, Tomohiro Akita | 2022-05-24 |
| 11242273 | Ion removal device | Tomohiro Akita, Ayane KIHARA | 2022-02-08 |
| 8128741 | Gas dissolving apparatus | Shigeyuki Yamaguchi, Kazumasa Rokushima, Naoki Shibata, Hitoshi Kitamura, Noriyuki Kitachi +2 more | 2012-03-06 |
| 8099802 | Flush toilet equipment | Shigeyuki Yamaguchi, Hitoshi Kitamura, Takaya Niu, Kazumasa Rokushima, Yoshihiro Ito +3 more | 2012-01-24 |
| D524485 | Hair trimmer | Masakazu Izumi | 2006-07-04 |
| D509362 | Brush for electric toothbrush | — | 2005-09-13 |
| D503495 | Electric nose hair shaver | — | 2005-03-29 |
| D495832 | Electric shaver | — | 2004-09-07 |
| D413975 | Oral cavity cleaner | — | 1999-09-14 |
| D403070 | Sphygmomanometer | Maki Hirakawa | 1998-12-22 |
| D398999 | Sphygmomanometer | Maki Hirakawa | 1998-09-29 |
| D373631 | Oral cavity cleaner | Taro Mochida | 1996-09-10 |
| D351660 | Electric massager | Kuniharu Ichikawa | 1994-10-18 |