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ASAHI OPTICAL CO LTD

Overview
  • Total Patents
    16,844
About

ASAHI OPTICAL CO LTD has a total of 16,844 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets optics, audio-visual technology and medical technology are PIETRANGELO GREGORIO, HENAN HAOZE ELECTRONICS CO LTD and AP PHOTONICS SHENZHEN LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Ouchi Teruo 646
#2 Nomura Hiroshi 489
#3 Ito Takayuki 416
#4 Kawasaki Masahiro 373
#5 Numako Norio 363
#6 Suzuki Minoru 339
#7 Aoki Harumi 265
#8 Tabata Yasushi 260
#9 Abe Tetsuya 249
#10 Maruyama Koichi 238

Latest patents

Publication Filing date Title
DK200700664A Endoscopic tissue collection instrument
JP2002318349A Real image type finder
JP2002318350A Real image type finder
JP2002350744A Real image type finder
JP2002350743A Real image type finder
GB0208303D0 Surgical instrument and apparatus
JP2002303793A Zoom lens for camera
JP2002350707A Cam structure of zoom lens barrel
JP2002350931A Camera equipped with finder optical system
JP2002333646A Camera having image blur detection function
JP2002325729A Electronic endoscope provided with automatic lighting control function
JP2002333576A Objective lens for optical head
GB0203906D0 A camera system having a communication system between a camera body and a photographing lens
JP2002320589A Electronic endoscopic equipment having automatic light control function
JP2002303537A Magnetic encoder and method of reducing harmonic error thereof
JP2002323651A Scanning lens coping with two wavelengths
JP2002281769A Ultrasonic motor drive control apparatus
JP2002301008A Endoscope retaining device
JP2002247887A Drive control circuit of electromagnetic drive device
US2002114800A1 Carrier having immobilized antigens or antibodies and method of manufacturing thereof