Littelfuse Japan G.K.

Japan

 
Total IP 26
Total IP Rank # 56,757
IP Activity Score 0.9/5.0    2
IP Activity Rank # 475,430

Patents

Trademarks

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8 0
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Last Patent 2023 - Protection device
First Patent 1998 - Ptc device and battery pack usin...

Latest Inventions, Goods, Services

2022 Invention Protection device. A protection device includes a movable arm, a fixed terminal, and a bimetallic...
2018 Invention Thermosensitive actuating unit. A thermosensitive actuating unit which uses an alloy containing ...
Invention Device protected by ptc element. This device has a protective element for protecting the device i...
2017 Invention Ptc device and secondary battery having same. A PTC device as well as an electrical device such ...
2016 Invention Ptc element. The present invention provides a PTC element which comprises: a PTC unit that is in ...
Invention Protection element. The present invention provides a protection element that comprises: a PTC ele...
Invention Ptc device. The present invention relates to a new PTC device having a configuration with which p...
Invention Protective element. The present invention relates to a protective element which comprises a laye...
Invention Protection element. The present invention relates to a protection element which comprises a layer...
2015 Invention Electrode. The present invention provides an electrode for an electrical device, the electrode c...
Invention Electrode. The present invention provides an electrode for an electric device, the electrode comp...
Invention Protection element. A protective element including (i) a PTC element having an opening passing th...
Invention Protection element. The present invention provides a protection element formed by including: (i) ...
Invention Protection device. The present invention provides a protection device comprising a resin base, a ...
Invention Protective device. The present invention provides a protective device which has a large rated vol...
2014 Invention Protection device. The present invention provides a protection device that can more surely protec...
Invention Protection device. An object of the present invention is to provide a protection device which is...
Invention Protective device. A protection device including: (i) a protection component having a first therm...
Invention Protection device. The present invention provides a protection device including a bimetal compone...
2013 Invention Positive electrode lead and alkaline secondary battery. A positive electrode lead of the present ...
Invention Protection element. The present invention provides a protection device which includes: a PTC lami...
Invention Protection element. The present invention provides a protection device which includes a laminar e...
Invention Alkaline storage battery. The present invention provides a heat suppressing alkaline storage batt...
2012 Invention Protection device. A protection device comprises a resin base, PTC component, bimetal component, ...
Invention Ptc device. The present invention provides a PTC device having a laminate which includes a PTC co...
Invention Circuit protection device. There is provided a circuit protection device with further improved p...
2011 Invention Protective device. The present invention provides a protection device which provides a greater de...
Invention Contact structure. The present invention provides a means in which contact between contacts in a ...
Invention Ptc device and secondary battery having the same. A PTC device as well as an electrical device s...
2009 Invention Ptc device. There is provided a PTC device having a sufficient function to detect the possibility...
Invention Circuit protection device. There is provided a circuit protection device with even more possibil...
Invention Circuit protection device. There is provided a circuit protection device with even more po...
2008 Invention Ptc device, ptc device manufacturing method, and electric device provided with ptc device. There...
Invention Ptc device and process for manufacturing the same. There are provided a process for manufacturing...
Invention Circuit protection device. There is provided a circuit protection device that increases the poss...
2007 Invention Protection device. It is provided a new protection device with a large current capacity, which c...
2006 Invention Process for producing ptc device. There is provided a polymer PTC device including a polymer PTC ...
Invention Electrical composite element. An electric device that functions either as a reverting (resettabl...
Invention Ptc device. There is provided a PTC device wherein its PTC element functions appropriately even w...
2005 Invention Polymer ptc element. There is provided a polymer PTC device which has a further improved performa...
Invention Switch and device using the switch. b) may be a PTC element having a PTC material layer and a pai...
2004 Invention Overheat protection device and electrical system having same. The present invention provides an o...
Invention Ptc element and fluorescent lamp starter circuit. The present invention provides a PTC element h...
Invention Thermistor. A thermistor is provided with a third electrode placed so that it is not in contact w...
Invention Combined ptc device. A PTC device is provided which is capable of surely functioning as the PTC d...
Invention Ptc thermistor and method for protecting circuit. A PTC thermistor provided with a conductive mem...
Invention Polymer ptc device. 2/P or higher, given that the power consumption when actuated is P and the vo...
2003 Invention Conduction terminal and adapter for conduction terminal. In a current conducting terminal in cont...
Invention Temperature protection device. A temperature protection device is provided, which comprises with ...