HITACHI KOKI CO., LTD.
Patent Owner
Stats
- 676 US PATENTS IN FORCE
- 52 US APPLICATIONS PENDING
- Mar 15, 2018 most recent publication
Details
- 676 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 30,698 Total Citation Count
- Mar 02, 1977 Earliest Filing
- 472 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9917452 Battery charger capable of efficiently cooling secondary battery in battery pack and charging circuit unit in battery chargerJul 08, 14Mar 13, 18[H02J, H05K]
9876201 Electric working machine and electric working machine systemAug 20, 13Jan 23, 18[H01M, A01D]
9833890 Electric tool and communication plug for electric toolMay 18, 12Dec 05, 17[H02K, B25B, B25F]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2016/0201,598 ENGINE AND ENGINE OPERATING MACHINE HAVING THE ENGINEAbandonedJul 25, 14Jul 14, 16[F02B, F02F]
2016/0016,207 WASHING DEVICE, HIGH-PRESSURE WASHING DEVICE, AND ADAPTERAbandonedFeb 14, 13Jan 21, 16[F16L, B08B]
2015/0184,596 ENGINE-POWERED WORK TOOL PROVIDED WITH WIND GOVERNOR AND MECHANISM FOR INCREASING ENGINE OUTPUTAbandonedDec 22, 14Jul 02, 15[F01P, F02B, F02D]
2015/0084,581 CHARGING DEVICE CONFIGURED TO REDUCE POWER CONSUMPTION DURING NON-CHARGING PERIODAbandonedSep 04, 14Mar 26, 15[H02J]
2015/0057,141 CENTRIFUGE AND SYSTEM FOR MANAGING OPERATION DATA OF CENTRIFUGEAbandonedAug 21, 14Feb 26, 15[B04B]
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