Inventor
Kazuhiko Funabashi
Inventor
Hitachinaka, JP
Overview
Patents· 57 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks25%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy12%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution12%
B25FCombination or multi-purpose tools not otherwise provided for11%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%
H02KDynamo-electric machines5%
A01DHarvesting4%
B23DPlaning3%
G01RMeasuring electric variables3%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%
PatentTitleYear
10,967,491Driver202110,886,764Power tool202110,744,633Power Tool202010,717,138Power tool202010,630,223Power tool202010,551,442Battery diagnosis device and battery pack202010,547,182Electric operating machine202010,411,620Power tool201910,320,214Power tool201910,307,841Power tool201910,205,198Power tool and battery pack201910,199,844Power-supplying device20199,955,627Electric working machine20189,496,809'Electric working machine'20169,345,156'Power supply device'20169,337,763'Power tool system and power supply device'20169,160,211'Work machine and brushless motor'20159,065,155'Adaptor, assembly of battery pack and adaptor, and electric tool with the same'20158,988,019'Electric operating machine'20158,928,201'Electric motor having an output shaft rotatably supported by a housing and working machine including the same'20158,917,037'Electric operating machine'20148,872,450'Electric operating machine'20148,579,042'Battery pack and cordless tool using the same'20138,497,662'Charging device'20138,415,922'Power tool'20138,381,829'Battery pack and cordless tool using the same'20138,344,696'Battery charger including a comparator'20138,294,425'Charging apparatus and charge control method'20128,237,404'Adaptor, assembly of battery pack and adaptor, and electric tool with the same'20128,231,992'Lithium battery pack'20128,198,835'Cordless power tool and battery device used for same'20128,183,836'Lithium battery pack'20128,093,859'Charging system for charging battery pack'20128,035,350'Battery charger'20118,013,575'Charging device having protective switching element'20117,969,116'Power pack and cordless power tool having the same'20117,948,210'Battery pack and electric tool'20117,932,701'Power tool'20117,932,697'Power tool'20117,800,343'Battery charger with battery life judging function'20107,723,960'Lithium battery pack'20107,677,752'Power tool equipped with light'20107,652,450'Secondary battery charging device'20107,626,361'Lithium battery pack'20097,592,780'Battery charging apparatus'20097,579,807'Battery charger'20097,541,773'Battery-powered tool capable of detecting discharged battery pack'20097,521,892'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'20087,439,708'Battery charger with control of two power supply circuits'20087,365,515'Universal battery charger'20087,145,314'DC power source unit with battery charging function'20066,992,464'Battery charger capable of indicating time remaining to achieve full charge'20066,967,465'DC power source unit with battery charging function'20056,566,843'DC power source unit with battery charging function'20036,495,932'DC power source unit'20026,172,860'DC power source unit alarming before electrically powered tool is overheated and stopping power supply thereafter'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2021Patents assigned to HITACHI KOKI KK (52)· patent assignee history
2001–2021Based in Hitachinaka, JP· patent location history
2009–2021Based in Ibaraki, JP· patent location history
2012–2016Patents assigned to FUNABASHI KAZUHIKO (17)· patent assignee history
2012–2016Patents assigned to TAKANO NOBUHIRO (10)· patent assignee history
2012–2013Patents assigned to ARADACHI TAKAO (5)· patent assignee history
2019–2021Patents assigned to KOKI HOLDINGS CO LTD (12)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 52 | 2001–2021 |
| FUNABASHI KAZUHIKOself | 17 | 2012–2016 |
| KOKI HOLDINGS CO LTD | 12 | 2019–2021 |
| TAKANO NOBUHIRO | 10 | 2012–2016 |
| ARADACHI TAKAO | 5 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 37 | 2001–2021 |
| Ibaraki, JP | 20 | 2009–2021 |