Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1091762 | Deflector for sprinkler head | — | 2025-09-02 |
| D1083030 | Deflector for sprinkler head | — | 2025-07-08 |
| D1029599 | Wrench socket for sprinkler head | — | 2024-06-04 |
| D1000585 | Protective cap for sprinkler head | — | 2023-10-03 |
| 11642557 | Sprinkler head accessory | — | 2023-05-09 |
| 11511144 | Sprinkler head | — | 2022-11-29 |
| D964517 | Sprinkler head accessory | — | 2022-09-20 |
| D963110 | Sprinkler head accessory | — | 2022-09-06 |
| D961727 | Sprinkler head accessory | — | 2022-08-23 |
| 11383114 | Sprinkler head | Koki Sato | 2022-07-12 |
| 11324980 | Sprinkler head | — | 2022-05-10 |
| 11160999 | Protector for heat-sensitive element of sprinkler head | — | 2021-11-02 |
| D895416 | Spring for sprinkler head | — | 2020-09-08 |
| D892269 | Protector for sprinkler head | — | 2020-08-04 |
| D887800 | Spanner wrench | Hisayoshi Ohkoshi | 2020-06-23 |
| D887527 | Wrench socket for sprinkler head | Hisayoshi Ohkoshi | 2020-06-16 |
| 10036479 | Alloy for a fusible plug and a fusible plug | Rikiya Kato, Tetsuro Kikuchi, Mutsumi Deguchi | 2018-07-31 |
| D799924 | Wrench for sprinkler head | — | 2017-10-17 |
| 9630039 | Sprinkler head | — | 2017-04-25 |
| D781399 | Sprinkler head body | — | 2017-03-14 |
| 9463343 | Protecting cap and sprinkler head | — | 2016-10-11 |
| 9339675 | Sprinkler head | — | 2016-05-17 |
| 9320929 | Protective cap of sprinkler head and sprinkler head | — | 2016-04-26 |
| D721418 | Sprinkler head protective cap | — | 2015-01-20 |
| D721419 | Sprinkler head protective cap | — | 2015-01-20 |