Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429444 | Moisture sensor | Kisho Sakamoto | 2025-09-30 |
| 11828721 | Ion concentration measuring device | — | 2023-11-28 |
| 11402344 | Soil sensor and soil measurement method | Shoji Kawahito, Keita Yasutomi | 2022-08-02 |
| 9915629 | Method for identifying pH, device for same, and method for identifying ion concentration | Fumihiro Dasai, Kazuaki Sawada | 2018-03-13 |
| 9689837 | Device for measuring oxidation-reduction potential and method for measuring oxidation-reduction potential | Kazuaki Sawada, Sou Takahashi | 2017-06-27 |
| 9335287 | Specification device for water status of soil, and method for same | Kazuaki Sawada | 2016-05-10 |