Inventor
Hidekazu Harada
Inventor
Hitachinaka, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks20%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding15%
B25FCombination or multi-purpose tools not otherwise provided for15%
Y10TTechnical subjects covered by former us classification15%
C22CAlloys10%
A47LDomestic washing or cleaning5%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling5%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys5%
H01BCables5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
PatentTitleYear
8,517,558'Power tool'20137,934,847'Power tool with light unit'20117,296,323'Dust collector'20077,196,911'DC power source unit with battery charging function'20077,185,998'Power tool'20077,145,314'DC power source unit with battery charging function'20067,064,523'Battery charger capable of accurately detecting battery temperature for full charge determination'20066,420,853'Battery charger capable of accurately determining fully charged condition regardless of batteries with different charge chracteristics'20024,656,003'Copper alloy and production of the same'19874,591,484'Lead materials for semiconductor devices'19864,430,298'Copper alloys for electric and electronic devices and method for producing same'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1987Patents assigned to KOBE STEEL LTD (3)· patent assignee history
1984–1986Based in Shimonoseki, JP· patent location history
1987Based in Funabashi, JP· patent location history
2002–2013Patents assigned to HITACHI KOKI KK (8)· patent assignee history
2002–2013Based in Hitachinaka, JP· patent location history
2007Based in Kanagawa, JP· patent location history
2013Patents assigned to HARADA HIDEKAZU (1)· patent assignee history
2013Patents assigned to OOMORI KATSUHIRO (1)· patent assignee history
2013Patents assigned to TAKANO NOBUHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 8 | 2002–2013 |
| KOBE STEEL LTD | 3 | 1984–1987 |
| HARADA HIDEKAZUself | 1 | 2013 |
| OOMORI KATSUHIRO | 1 | 2013 |
| TAKANO NOBUHIRO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 7 | 2002–2013 |
| Shimonoseki, JP | 2 | 1984–1986 |
| Kanagawa, JP | 1 | 2007 |
| Funabashi, JP | 1 | 1987 |