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MEISEI SANGYO KK

Overview
  • Total Patents
    23
About

MEISEI SANGYO KK has a total of 23 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology, environmental technology and machines are ROLA COMPANY INC, KAM TAI-YAN and RYCOTE MICROPHONE WINDSHIELDS.

Patent filings in countries

World map showing MEISEI SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 23

Patent filings per year

Chart showing MEISEI SANGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chikaraishi Tsuneaki 10
#2 Takasugi Hiroshi 3
#3 Maekawa Miyao 2
#4 Suzuki Tetsuo 2
#5 Hoya Junsuke 1
#6 Yamauchi Riri 1
#7 Kimura Genzo 1
#8 Shimizu Tokichi 1
#9 Shimoyama Kiyoshi 1
#10 Okawa Masato 1

Latest patents

Publication Filing date Title
JP2005054039A Varnish for flame-retardant film formation and flame-retardant lead wire for loudspeaker
JP2003284188A Voice coil and speaker employing the same
JP2002232991A Speaker and module component for the speaker
JP2001333498A Loudspeaker and its manufacturing method
JP2001204095A Heat resistant voice coil and its manufacturing method
JP2000069589A Speaker
JP2000023283A Voice coil bobbin
JPH11223465A Separating and melting furnace for composite metal and method for separating the same
JPH11114545A Oxidizing mineral utilizing organic waste and its production
JPH10279970A Solid fuel material utilizing organic waste and its production
JPH10164692A Damper for speaker
JPH09307994A Speaker and voice coil with lead wire used therefor
JPH09284892A Speaker
JPH09213135A Lead wire for speaker
JPH09135494A Damper for speaker and production of the same
JPH08251693A Voice coil incorporated diaphragm for speaker
JPH0851696A Voice coil for speaker
JPH07283061A Method and machine for manufacturing voice coil
JPH0344297A Speaker
JPH01215199A Manufacture of bobbin for voice coil