Inventor · disambiguated record
Hai Bo Ma
Also filed as: MA HAI · MA HAI BO
6 granted patents·14 pending applications·16 citations·filing 2008–2024
75Inventor score
Files withJOHNSON ELECTRIC SA10TECHTRONIC CORDLESS GP7JOHNSON ELECTRIC INT AG2CONTEMPORARY AMPEREX TECHNOLOGY CO LTD1
Top patents by PatentIndex Score
20 records- 0190US11152656B1Method and apparatus for controlling temperature of battery pack, battery management system and storage mediumCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2021·Granted Oct 19, 2021·4 cites·12 claims
- 0287US9819290B2Power tool and motor drive circuit thereofJOHNSON ELECTRIC SA·Filed 2016·Granted Nov 14, 2017·6 cites·16 claims
- 0371US10418919B2Electric tool and motor drive systemJOHNSON ELECTRIC INT AG·Filed 2016·Granted Sep 17, 2019·3 cites·15 claims
- 0471US2024396107A1Battery pack and temperature sensing device thereofTECHTRONIC CORDLESS GP·Filed 2024·Application pending·0 cites
- 0561US8053945B2Electric motor commutatorJOHNSON ELECTRIC SA·Filed 2008·Granted Nov 8, 2011·3 cites·14 claims
- 0660US2025125632A1Communication control unit, charging device, electrical appliance and communication control method thereofTECHTRONIC CORDLESS GP·Filed 2024·Application pending·0 cites
- 0757US2024332983A1Battery pack, power tool system and communication system thereofTECHTRONIC CORDLESS GP·Filed 2024·Application pending·0 cites
- 0856US12388379B2Sensorless motor assembly and method of controlling the sameTECHTRONIC CORDLESS GP·Filed 2021·Granted Aug 12, 2025·0 cites·16 claims
- 0955US2024275686A1Electrical appliance assembly for multiclient networking, and peripheral devicesTECHTRONIC CORDLESS GP·Filed 2024·Application pending·0 cites
- 1054US2024106245A1Battery packTECHTRONIC CORDLESS GP·Filed 2023·Application pending·0 cites
- 1153US2024055879A1Battery management circuit, battery assembly and power tool system thereofTECHTRONIC CORDLESS GP·Filed 2023·Application pending·0 cites
- 1239US2017101996A1Air flow regulating deviceJOHNSON ELECTRIC SA·Filed 2016·Application pending·0 cites
- 1335US2017099025A1Power ToolJOHNSON ELECTRIC SA·Filed 2016·Application pending·0 cites
- 1432US10256750B2Electronic device having delay circuit for synchronous starting of two operating componentsJOHNSON ELECTRIC INT AG·Filed 2016·Granted Apr 9, 2019·0 cites·12 claims
- 1531US2017288583A1Power tool and motor drive system thereofJOHNSON ELECTRIC SA·Filed 2017·Application pending·0 cites
- 1631US2017288580A1Power tool and motor drive system thereofJOHNSON ELECTRIC SA·Filed 2017·Application pending·0 cites
- 1731US2017288584A1Power tool and motor drive system thereofJOHNSON ELECTRIC SA·Filed 2017·Application pending·0 cites
- 1830US2017163183A1Motor control system, control method and vacuum cleanerJOHNSON ELECTRIC SA·Filed 2016·Application pending·0 cites
- 1930US2017163184A1Motor control system, control method and vacuum cleanerJOHNSON ELECTRIC SA·Filed 2016·Application pending·0 cites
- 2024US2017099929A1Hair DryerJOHNSON ELECTRIC SA·Filed 2016·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →