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DENKEN SEIKI KENKYUSHO KK

Overview
  • Total Patents
    11
About

DENKEN SEIKI KENKYUSHO KK has a total of 11 patent applications. Its first patent ever was published in 1983. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy are KHAJRYUZOV VIKTOR V, HOU GUIYING and SEIDEN MFG CO LTD.

Patent filings in countries

World map showing DENKEN SEIKI KENKYUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing DENKEN SEIKI KENKYUSHO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Yagasaki Akihiko 7
#2 Iijima Susumu 2
#3 Kinoshita Keizou 1
#4 Kaneko Tomohito 1
#5 Shimayama Tsuruo 1
#6 Katayama Yasufumi 1
#7 Kaneko Hiroshi 1
#8 Matsuda Takahiko 1

Latest patents

Publication Filing date Title
JP2015088546A Ferrite clamp
JP2008141092A Noise cut-off transformer
JP2002313645A Obstacle wave cutout transformer
JP2001267148A Disturbance cut-off transformer
JP2001110651A Thunder surge shield transformer
JP2001102221A Impairment wave blocking transformer
JPH118139A Noise cut transformer and manufacture thereof
JPH03214797A Electromagnetic shielding material
JPH02224309A Manufacture of iron core made of magnetic wire material of noise-cut transformer, magnetic wire material spool and twisted pinching tool
JPH01136075A Power failure detector
JPS59127817A Noiseless transformer