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EPSON TOYOCOM CORP

Overview
  • Total Patents
    1,749
About

EPSON TOYOCOM CORP has a total of 1,749 patent applications. Its first patent ever was published in 1999. It filed its patents most often in Japan, United States and China. Its main competitors in its focus markets basic communication technologies, semiconductors and measurement are FUJITSU MEDIA DEVICE KK, DAISHINKU CORP and MATSUSHIMA KOGYO KK.

Patent filings per year

Chart showing EPSON TOYOCOM CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Watanabe Jun 94
#2 Oto Masayuki 89
#3 Yamanaka Kunihito 66
#4 Ishikawa Masayuki 45
#5 Kikuchi Takayuki 41
#6 Yamada Akinori 39
#7 Matsumoto Hiroshi 39
#8 Kiyohara Atsushi 37
#9 Sato Kenji 37
#10 Owaki Takuya 36

Latest patents

Publication Filing date Title
JP2011205713A Colpitts oscillator circuit
JP2011151857A Piezoelectric vibrator, electronic device, and electronic equipment
JP2011135614A Etching processing method of piezoelectric wafer, and piezoelectric device
JP2011139532A Method of manufacturing crystal wafer
JP2011139508A Crystal piece aggregate, and crystal oscillator
JP2011097623A Piezoelectric vibrator
JP2011109681A Surface mounted piezoelectric device
JP2011078118A Piezoelectric wafer
JP2011078110A Piezoelectric vibrating piece, piezoelectric vibrator, and acceleration sensor
JP2011065175A Wavelength plate and optical pickup device using the same
JP2011066905A At-cut quartz resonator
JP2011045113A Piezoelectric resonator element, piezoelectric resonator, piezoelectric oscillator, and piezoelectric substrate wafer
JP2011045112A At-cut crystal resonator element, at-cut crystal resonator, and at-cut crystal oscillator
JP2010268498A At-cut crystal vibrating piece, and at-cut crystal device
JP2010259090A Piezoelectric vibration piece
JP2010268475A High frequency piezoelectric device
JP2010246142A Method of manufacturing vibrating piece and vibrator
JP2010239631A Method of manufacturing piezoelectric wafer and method of manufacturing crystal vibrating element piece
JP2010166626A Piezoelectric device
JP2010213289A Method of manufacturing piezoelectric device