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Kenichi Fujimaki patents

Recent patents with Kenichi Fujimaki listed as an inventor - additional entries may be under other spellings.


Kenichi Fujimaki - Related organizations: Sony Corporation patents

Energy receiver, detection method, power transmission system, detection device, and energy transmitter

02/16/17 - 20170047777 - An energy receiver including a power receiver coil configured to wirelessly receive power transmitted from a power transmitter; a detection section configured to detect a foreign object; and a power storage section configured to supply power to the detection section during detection of the foreign object.
Inventors: Hiroaki Nakano, Shinichi Fukuda, Yuji Murayama, Kenichi Fujimaki, Tomomichi Murakami

Power receiving unit, power feeding control method, and feed system

01/12/17 - 20170012470 - A power receiving unit of the disclosure includes: a power generation section configured to generate direct-current power, based on a power signal supplied wirelessly from a power feeding unit; and a communication section configured to set a load of the power signal in accordance with an output current of the
Inventors: Hiroaki Nakano, Keigo Bunsen, Osamu Kozakai, Kenichi Fujimaki

Power feeding apparatus, power receiving apparatus, power feeding system, and method of controlling power feeding

08/25/16 - 20160248279 - A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a measuring unit configured to measure an electric characteristic value and to generate a measurement value; a power receiving unit configured
Inventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Osamu Kozakai, Kenichi Fujimaki

Processing device, processing method, and program

07/28/16 - 20160218567 - Methods and apparatus for detecting the presence of undesirable foreign matter in a region between a wireless power transmission apparatus and a power reception apparatus are described. First and second detection methods, based on different detection schemes, may be used to detect and distinguish the presence of foreign matter from
Inventors: Hiroaki Nakano, Osamu Kozakai, Shinji Komiyama, Kenichi Fujimaki

Detection apparatus, electric power receiving apparatus, electric power transmission apparatus, wireless electric power transmission system, and detection method

07/07/16 - 20160197493 - A method for wireless power transmission includes obtaining, via a Q-value circuit, first and second voltages at respective first and second nodes of a resonance circuit. The first and second voltages are effective to determine if foreign matter is present in a space affecting wireless power transmission. The method includes
Inventors: Hiroaki Nakano, Takaaki Hashiguchi, Shinichi Fukuda, Kenichi Fujimaki

Power feeding apparatus, power receiving apparatus, power feeding system, and method of controlling power feeding

06/09/16 - 20160164302 - A power feeding apparatus is provided. The power feeding apparatus includes a power feeding unit configured to supply electric power to a power receiving apparatus through a magnetic field; a measuring unit configured to measure an electric characteristic value and to generate a measurement value; a power receiving unit configured
Inventors: Hiroaki Nakano, Toru Terashima, Keigo Bunsen, Osamu Kozakai, Kenichi Fujimaki

Power receiver, non-contact power transmission system, and method of controlling received-power voltage

11/26/15 - 20150340881 - A device configured to receive power (20B), the device comprising a coil (21L) having a resistance, and at least one circuit (30) configured to calculate a target voltage value based on an amount of power received by the device and the resistance of the coil, and control received power voltage
Inventors: Hiroaki Nakano, Keigo Bunsen, Takaaki Hashiguchi, Osamu Kozakai, Kenichi Fujimaki

Sensing device, power reception device, power transmission device, non-contact power transmission system, and sensing method

08/20/15 - 20150236519 - There is provided a sensing device including a circuit including at least a coil electromagnetically coupled to an outside; a temperature detection unit for detecting a temperature of the coil; a sensing unit for measuring a Q value of the circuit; and a correction unit for correcting the Q value
Inventors: Hiroaki Nakano, Tomomichi Murakami, Osamu Kozakai, Kenichi Fujimaki

Processing device, processing method, and program

06/18/15 - 20150171633 - Methods and apparatus for detecting the presence of undesirable foreign matter in a region between a wireless power transmission apparatus and a power reception apparatus are described. First and second detection methods, based on different detection schemes, may be used to detect and distinguish the presence of foreign matter from
Inventors: Hiroaki Nakano, Osamu Kozakai, Shinji Komiyama, Kenichi Fujimaki

Electronic apparatus and transmission system

10/23/14 - 20140312709 - An electronic apparatus includes a switch control section configured to: determine whether a received signal is any one of a power signal and a data signal based on the received signal, and select any one of a power-reception operation and a data-transmission operation based on the determination of the received
Inventors: Hiroaki Nakano, Shinichi Fukuda, Osamu Kozakai, Kenichi Fujimaki

Energy receiver, detection method, power transmission system, detection device, and energy transmitter

05/08/14 - 20140125287 - An energy receiver includes: a power receiver coil configured to wirelessly receive power transmitted from a power transmitter; a detection section configured to detect a foreign object; and a power storage section configured to supply power to the detection section during detection of the foreign object.
Inventors: Hiroaki Nakano, Shinichi Fukuda, Yuji Murayama, Kenichi Fujimaki, Tomomichi Murakami

Electromagnetically-coupled state detection circuit, power transmission apparatus, contactless power transmission system, and electromagnetically-coupled state detection method

03/20/14 - 20140077617 - An electromagnetically-coupled state detection circuit including a detection unit that measures a primary side Q value of a circuit containing a primary side coil electromagnetically coupled with a secondary side coil and power transmission efficiency to the secondary side coil, corrects the power transmission efficiency based on the Q value
Inventors: Hiroaki Nakano, Tomomichi Murakami, Shinichi Fukuda, Osamu Kozakai, Kenichi Fujimaki

Sensing device, power reception device, power transmission device, non-contact power transmission system, and sensing method

03/14/13 - 20130063160 - There is provided a sensing device including a circuit including at least a coil electromagnetically coupled to an outside; a temperature detection unit for detecting a temperature of the coil; a sensing unit for measuring a Q value of the circuit; and a correction unit for correcting the Q value
Inventors: Hiroaki Nakano, Tomomichi Murakami, Osamu Kozakai, Kenichi Fujimaki

Detection apparatus, electric power receiving apparatus, electric power transmission apparatus, wireless electric power transmission system, and detection method

01/31/13 - 20130027078 - A method for wireless power transmission includes obtaining, via a Q-value circuit, first and second voltages at respective first and second nodes of a resonance circuit. The first and second voltages are effective to determine if foreign matter is present in a space affecting wireless power transmission. The method includes
Inventors: Hiroaki Nakano, Takaaki Hashiguchi, Shinichi Fukuda, Kenichi Fujimaki

Wireless charging device and wireless charging system

01/12/12 - 20120007549 - Disclosed herein is a wireless charging device including: a feeding device capable of feeding power on a wireless basis; and a display device, the feeding device including a power generating section configured to generate the power to be fed, a power transmitting element section configured to transmit the power generated
Inventors: Yuji Murayama, Kenichi Fujimaki

Electrical power transmission system and electrical power output device

12/29/11 - 20110316349 - In an electrical power transmission system according to the present invention, a frequency generator outputs electrical power of an electrical signal having approximately the same frequency component as a resonant frequency of a resonant element to the resonant element via a driven element. The resonant element is an element having
Inventors: Takaaki Hashiguchi, Hirotsugu Wada, Kenichi Fujimaki

Noncontact power feed system, noncontact relay apparatus, noncontact power reception apparatus, and noncontact power feed method

01/27/11 - 20110018359 - A noncontact power feed system includes: a noncontact power feed apparatus including a power feed resonance device to supply alternate-current power to an electronic apparatus by resonance in a noncontact manner, and an alternate-current power source section to generate the alternate-current power and supply it to the power feed resonance
Inventors: Hirotsugu Wada, Kenichi Fujimaki

Electric power supplying apparatus and electric power transmitting system using the same

09/02/10 - 20100219695 - Disclosed herein is an electric power supplying apparatus, including: a resonance circuit having an inductance and a capacitance; and an electric power synthesizing circuit configured to synthesize electric powers of electric signals composed of a plurality of frequency components in a neighborhood frequency band as a frequency band near a
Inventors: Shinji Komiyama, Kenichi Fujimaki, Hiroyuki Mita


### Kenichi Fujimaki patent invention listings

The bibliographic references displayed about Kenichi Fujimaki's patents are for a recent sample of Kenichi Fujimaki's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Kenichi Fujimaki filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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