Inventor
Hiroyuki Hanawa
Inventor
Hitachinaka, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy27%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution27%
B25FCombination or multi-purpose tools not otherwise provided for18%
H02JElectric power networks14%
H01RElectrically-conductive connections6%
LOC134%
B23BTurning2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
10,263,228Electric device including sealing member between attachment part and battery pack20199,748,534'Electric tool and battery pack for the electric tool'20179,236,588'Battery pack and power tool provided with the same'20168,895,182'Battery pack and power tool provided with the same'20148,765,280'Battery pack and battery-driven power tool using the same'20148,684,106'Battery pack and motor-driven tool using the same'20148,579,042'Battery pack and cordless tool using the same'20138,381,829'Battery pack and cordless tool using the same'20138,035,350'Battery charger'20117,969,116'Power pack and cordless power tool having the same'20117,956,575'Charging device for battery'20117,948,210'Battery pack and electric tool'20117,807,293'Battery pack and motor-driven tool using the same'20107,759,899'Battery pack, and assembly of battery pack and motor-driven tool or charger'2010D0607814'Battery pack'20107,521,892'Cordless power tool with overcurrent protection circuit permitting the overcurrent condition during specified time periods'20097,446,508'Battery charger for charging lithium-ion battery'2008D0562227'Battery pack'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2019Patents assigned to HITACHI KOKI KK (18)· patent assignee history
2008–2019Based in Hitachinaka, JP· patent location history
2010–2017Based in Ibaraki, JP· patent location history
2013–2014Patents assigned to HANAWA HIROYUKI (4)· patent assignee history
2013Patents assigned to FUNABASHI KAZUHIKO (1)· patent assignee history
2014Patents assigned to SAITOU KEITA (3)· patent assignee history
2014Patents assigned to FUJISAWA HARUHISA (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 18 | 2008–2019 |
| HANAWA HIROYUKIself | 4 | 2013–2014 |
| SAITOU KEITA | 3 | 2014 |
| FUJISAWA HARUHISA | 2 | 2014 |
| FUNABASHI KAZUHIKO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 12 | 2008–2019 |
| Ibaraki, JP | 6 | 2010–2017 |