Inventor
Yoshikazu Kawano
Inventor
Hitachinaka, JP
Overview
Patents· 17 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 for15%
B23DPlaning13%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters12%
Y10TTechnical subjects covered by former us classification12%
H02JElectric power networks10%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
B24BMachines, devices, or processes for grinding or polishing4%
B25DPercussive tools4%
A01DHarvesting2%
PatentTitleYear
11,020,846Work tool202110,744,633Power Tool202010,630,223Power tool202010,549,396Electric power tool202010,205,198Power tool and battery pack20199,337,763'Power tool system and power supply device'20169,065,155'Adaptor, assembly of battery pack and adaptor, and electric tool with the same'20158,686,675'Power tool'20148,237,404'Adaptor, assembly of battery pack and adaptor, and electric tool with the same'20128,100,041'Miter saw having battery unit'20127,956,575'Charging device for battery'20117,866,240'Miter saw having cut angle display device'20117,778,796'Miter saw for displaying angle of cutter blade cutting workpiece'20107,673,547'Miter saw capable of displaying angle coincident with predetermined angle'20107,523,691'Miter saw having digital display capable of displaying specific angle'20097,039,548'Miter saw for displaying angle of cutter blade cutting workpiece'20066,873,124'Rotational speed controller for electrically powered tools'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2020Patents assigned to HITACHI KOKI KK (15)· patent assignee history
2005–2021Based in Hitachinaka, JP· patent location history
2012–2016Patents assigned to KAWANO YOSHIKAZU (5)· patent assignee history
2012–2016Patents assigned to TAKANO NOBUHIRO (4)· patent assignee history
2012–2016Patents assigned to FUNABASHI KAZUHIKO (3)· patent assignee history
2012–2015Based in Ibaraki, JP· patent location history
2019–2021Patents assigned to KOKI HOLDINGS CO LTD (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 15 | 2005–2020 |
| KAWANO YOSHIKAZUself | 5 | 2012–2016 |
| KOKI HOLDINGS CO LTD | 5 | 2019–2021 |
| TAKANO NOBUHIRO | 4 | 2012–2016 |
| FUNABASHI KAZUHIKO | 3 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 14 | 2005–2021 |
| Ibaraki, JP | 3 | 2012–2015 |