Pressing operation unit and switching device
US-2025391620-A1 · Dec 25, 2025 · US
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Ishida Hideyuki patents
Ishida Hideyuki is listed as an inventor on 5 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ishida Hideyuki |
| Total patents | 5 |
| First publication | Mar 28, 2017 |
| Latest publication | Dec 25, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Pressing operation body and switch device
US-2024087825-A1 · Mar 14, 2024 · US
Keyboard device including link mechanism
US-10847130-B2 · Nov 24, 2020 · US
Keyboard device including link mechanism
US-2020090633-A1 · Mar 19, 2020 · US
Hammer device and keyboard device for electronic keyboard instrument
US-9607587-B2 · Mar 28, 2017 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Kk Kawai Gakki Seisakusho | 3 |
| Alps Alpine Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.