Inventor
Kazutaka Iwata
Inventor
Hitachinaka, JP
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B25Fprimary
B25FCombination or multi-purpose tools not otherwise provided for26%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding20%
H02KDynamo-electric machines15%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters14%
A01GHorticulture3%
B24BMachines, devices, or processes for grinding or polishing3%
H01HElectric switches3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
B23BTurning2%
B23DPlaning2%
PatentTitleYear
10,562,160Impact tool and method of controlling impact tool202010,525,579Electric tool202010,505,473Electric tool201910,411,620Power tool201910,183,384Power tool201910,171,011Electric tool201910,033,323Electric power tool20189,793,847'Electric power tool'20179,769,990'Power tool'20179,768,713'Electric tool'20179,616,558'Impact tool'20179,555,537'Portable tool'20179,391,491'Power tool'20169,314,855'Electric boring tool'20169,314,908'Impact tool'20169,114,519'Electric rotating tool'20159,048,699'Power tool'20158,931,576'Power tool for performing soft-start control appropriated for motor load'20158,925,645'Oil pulse tool'20158,640,789'Oil pulse tool'20148,607,892'Rotary striking tool'20138,541,913'Power tool'20138,360,166'Rotary striking tool'20138,253,285'Power tool'20128,084,901'Power tool'20118,074,731'Impact tool'20118,067,913'Power tool'20117,330,006'Power tool'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2020Patents assigned to HITACHI KOKI KK (27)· patent assignee history
2008–2019Based in Hitachinaka, JP· patent location history
2011–2018Patents assigned to IWATA KAZUTAKA (16)· patent assignee history
2011–2017Patents assigned to TAKANO NOBUHIRO (9)· patent assignee history
2011–2017Patents assigned to OOMORI KATSUHIRO (6)· patent assignee history
2011–2020Based in Ibaraki, JP· patent location history
2019–2020Patents assigned to KOKI HOLDINGS CO LTD (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 27 | 2008–2020 |
| IWATA KAZUTAKAself | 16 | 2011–2018 |
| TAKANO NOBUHIRO | 9 | 2011–2017 |
| KOKI HOLDINGS CO LTD | 6 | 2019–2020 |
| OOMORI KATSUHIRO | 6 | 2011–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 16 | 2008–2019 |
| Ibaraki, JP | 12 | 2011–2020 |