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Koji Umetsu patents

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


Koji Umetsu - Related organizations: Sony Corporation patents

Power supply apparatus and power supply method

03/09/17 - 20170070074 - Provided is a power supply apparatus including a power storage module, a DC-AC inverter, a bypass circuit, and a controller. The DC-AC inverter converts output of the power storage module into AC power. The bypass circuit directly transmits the AC power. The controller switches between a discharge mode for supplying
Inventors: Naoyuki Sugeno, Hiroaki Yoshida, Kazumi Sato, Koji Umetsu

Power storage device and method of controlling power storage device

07/28/16 - 20160218528 - A power storage device includes: power storage units each including at least one battery, the power storage units being connected in series; cell balance units connected in parallel to the respective power storage units via switches; and a control unit that performs control to charge the power storage units with
Inventors: Naoyuki Sugeno, Kohki Watanabe, Masumi Terauchi, Shuichi Takizawa, Noritoshi Imamura, Koji Umetsu

Power storage apparatus and electric vehicle

06/16/16 - 20160172721 - A power storage apparatus, electric device, electric vehicle, and power system are disclosed. In an example embodiment, a power storage apparatus includes a battery block comprising a plurality of battery cells and an isolating unit that enables wireless information transfer regarding battery information of the battery block.
Inventors: Yoshihiro Komatsu, Hidekazu Kikuchi, Koji Umetsu, Naoyuki Sugeno, Morihiko Sato

Power storage device, power storage system, and control method of power storage device

02/18/16 - 20160049813 - There is provided a power storage device including a plurality of modules each including secondary batteries, a charging switch that controls charging to the secondary batteries, a discharging switch that controls discharging of the secondary batteries, and a voltage measuring unit that measures a voltage of the module, and a
Inventors: Shuichi Takizawa, Naoyuki Sugeno, Koji Umetsu, Eiji Kumagai, Bunya Sato, Aniket Khade, Tatsuya Adachi, Atsushi Chinen, Hisato Asai, Kohki Watanabe

Battery control device, control method, control system and electric vehicle

10/15/15 - 20150295448 - A battery package including a power storage portion; and a control device, where the control device determines if a first temperature of the power storage portion is higher than a predetermined temperature, and if the first temperature is higher than the predetermined temperature, discharges the power storage portion at a
Inventors: Naoyuki Sugeno, Kohki Watanabe, Shuichi Takizawa, Kenji Sato, Koji Umetsu

Monitoring apparatus, monitoring control apparatus, power supply apparatus, monitoring method, monitoring control method, power storage system, electronic apparatus, motor-driven vehicle, and electric power system

10/01/15 - 20150276882 - A monitoring apparatus includes a first converter that converts first analog data indicating a voltage value of each of batteries into first digital data; and a second converter that converts second analog data indicating an electric current value flowing through the plurality of batteries into second digital data. The first
Inventors: Naoyuki Sugeno, Morihiko Sato, Koji Umetsu

Power storage device, power system and electric vehicle

01/08/15 - 20150008931 - An electronic storage module includes a plurality of batteries, a primary monitoring circuit configured to detect an operating state of the plurality of batteries, a microcontroller unit connected to the primary monitoring circuit via a primary communication path, and a secondary monitoring circuit connected to the microcontroller unit via a
Inventors: Naoyuki Sugeno, Morihiko Sato, Koji Umetsu

Power reserve apparatus, power system, and electric vehicle

12/04/14 - 20140354212 - A power reserve apparatus is disclosed. In one embodiment, the power reserve apparatus comprises a first module including a first set of battery cells and a first inter-cell balance adjustment unit configured to use passive balancing to reduce voltage variance among the first set of battery cells. The power reserve
Inventors: Naoyuki Sugeno, Morihiko Sato, Koji Umetsu

Electric power supplying apparatus, electric power supplying method, inverter, and electric vehicle

10/10/13 - 20130264865 - The present disclosure provides an electric power supplying apparatus including: an electric storage device; and a control portion configured to control processing for mixing an output from the electric storage device, and an electric power of an external electric power system with each other in accordance with at least one
Inventors: Naoyuki Sugeno, Noritoshi Imamura, Eiji Kumagai, Koji Umetsu, Atsushi Minami, Masayuki Yasuda

Power storage apparatus and electric vehicle

03/07/13 - 20130059182 - A power storage apparatus, electric device, electric vehicle, and power system are disclosed. In an example embodiment, a power storage apparatus includes a battery block comprising a plurality of battery cells and an isolating unit that enables wireless information transfer regarding battery information of the battery block.
Inventors: Yoshihiro Komatsu, Hidekazu Kikuchi, Koji Umetsu, Naoyuki Sugeno, Morihiko Sato

Electric storage apparatus, electronic device, electric vehicle, and electric power system

02/28/13 - 20130049457 - A battery system includes a plurality of electronic storage modules serially connected together. Each electronic storage module includes a battery block group including a plurality of battery cells, and a different magnetic core connected to each battery block group.
Inventors: Yoshihiro Komatsu, Hidekazu Kikuchi, Koji Umetsu

Monitoring apparatus, monitoring control apparatus, power supply apparatus, monitoring method, monitoring control method, power storage system, electronic apparatus, motor-driven vehicle, and electric power system

12/27/12 - 20120326725 - A monitoring apparatus includes a first converter that converts first analog data indicating a voltage value of each of batteries into first digital data; and a second converter that converts second analog data indicating an electric current value flowing through the plurality of batteries into second digital data. The first
Inventors: Naoyuki Sugeno, Morihiko Sato, Koji Umetsu

Charging apparatus

04/15/10 - 20100090647 - A charging apparatus includes a power supply circuit converting AC input into DC output, a secondary battery, having a plurality of batteries connected in series, which is charged by an output voltage of the power supply circuit, a charging control circuit that controls charging in a constant-current mode for charging
Inventors: Koji Umetsu, Keiji Tsuchiya


### Koji Umetsu patent invention listings

The bibliographic references displayed about Koji Umetsu's patents are for a recent sample of Koji Umetsu'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 Koji Umetsu 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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