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ELNA CO LTD

Overview
  • Total Patents
    1,087
  • GoodIP Patent Rank
    145,766
  • Filing trend
    ⇩ 100.0%
About

ELNA CO LTD has a total of 1,087 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, EPO (European Patent Office) and China. Its main competitors in its focus markets environmental technology, electrical machinery and energy and audio-visual technology are FUJIAN GUOGUANG ELECTRONIC SCIENCE & TECHNOLOGY CO LTD, VINATECH CO LTD and SMART THINKERS INC.

Patent filings per year

Chart showing ELNA CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kurihara Kaname 192
#2 Iwano Naoto 127
#3 Kazuhara Manabu 120
#4 Yamada Hidemi 97
#5 Hitosugi Kenichi 94
#6 Shimizu Hideo 94
#7 Mizutsuki Hiroshi 79
#8 Kurihara Hiroyuki 79
#9 Okubo Satoru 69
#10 Shirai Kozo 68

Latest patents

Publication Filing date Title
JP2019029597A Aluminum electrolytic capacitor
JP2019029598A Electrolyte solution for aluminum electrolytic capacitor and aluminum electrolytic capacitor
JP2018014803A Power storage unit having lithium ion capacitor
JP2016096364A Aluminum electrolytic capacitor
JP2017038480A Charging/discharging device for capacitor
JP2017038481A Capacitor module
JP2016103503A Method for manufacturing doping type electrode for lithium-based power storage device, and lithium-based power storage device
JP2016062948A Method for manufacturing doping type electrode for lithium-based power storage device, and lithium-based power storage device
JP2015162626A Printed wiring board and manufacturing method of the same
JP2015162471A aluminum electrolytic capacitor
JP2015159004A Nonaqueous electrolyte power storage device
JP2015126182A Printed wiring board
JP2015126181A Printed wiring board
JP2014187278A Aluminum electrolytic capacitor
JP2014154659A Lithium-based power storage device and negative electrode active material for lithium-based power storage device
JP2014146725A Power storage device
JP2014137851A Lithium-based power storage device
JP2014127316A Lithium-based electricity storage device
JP2014127315A Method for manufacturing negative electrode for electricity storage device
JP2014120555A Method for manufacturing negative electrode for power storage device