Working machine
US-2025162118-A1 · May 22, 2025 · US
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Ootsuka Kazuhiro patents
Ootsuka Kazuhiro is listed as an inventor on 17 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ootsuka Kazuhiro |
| Total patents | 17 |
| First publication | Jan 18, 2018 |
| Latest publication | May 22, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Working machine
US-12194606-B2 · Jan 14, 2025 · US
Driving device
US-12103151-B2 · Oct 1, 2024 · US
Working machine
US-2024139922-A1 · May 2, 2024 · US
Driving tool with switching mechanism
US-11724375-B2 · Aug 15, 2023 · US
Driving tool
US-11623330-B2 · Apr 11, 2023 · US
Driving tool
US-11571793-B2 · Feb 7, 2023 · US
Driving device
US-2023025226-A1 · Jan 26, 2023 · US
Driver
US-11472012-B2 · Oct 18, 2022 · US
Driving tool
US-2022126431-A1 · Apr 28, 2022 · US
Recent patents
Latest publications not already listed above.
Driving tool
US-2021308851-A1 · Oct 7, 2021 · US
Driving tool
US-2021229249-A1 · Jul 29, 2021 · US
Driving tool
US-2021162572-A1 · Jun 3, 2021 · US
Driving tool
US-2021122018-A1 · Apr 29, 2021 · US
Driver
US-2020398411-A1 · Dec 24, 2020 · US
Engine and engine-driven working machine
US-10280827-B2 · May 7, 2019 · US
Engine and engine-driven working machine
US-2018016964-A1 · Jan 18, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Koki Holdings Co Ltd | 16 |
| Hitachi Koki Kk | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.