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MITA INDUSTRIAL CO LTD

Overview
  • Total Patents
    13,316
About

MITA INDUSTRIAL CO LTD has a total of 13,316 patent applications. Its first patent ever was published in 1965. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets optics, machines and packaging and shipping are RANK XEROX LTD, MITSUTA INDUSTRY CO LTD and XEIKON NV.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Aizawa Tatsuo 276
#2 Hanatani Yasuyuki 273
#3 Shibata Koichi 250
#4 Miyamoto Eiichi 244
#5 Mizuta Yasushi 225
#6 Kusumoto Hiroshi 222
#7 Yamamoto Haruo 221
#8 Tomiyama Tetsuo 218
#9 Umeda Yasushi 218
#10 Shimomura Yoshiki 216

Latest patents

Publication Filing date Title
US6226069B1 Stackless continuous dual-sided copying method in photocopiers
US6063534A Nitro group-containing naphthoquinone derivatives and photosensitive material using the same for electrophotography
JP2000089643A Imaging unit of image forming device
JP2000105490A Electrostatic latent image developing carrier and image forming device using the same
JP2000044080A Cleaning device of paper feed roller
US6022658A Nitro group-containing naphthoquinone derivatives and photosensitive material using the same for electrophotography
JP2000026376A Nitro group-containing naphthoquinone derivative and electrophotographic photoreceptor using the same
JP2000019928A Image forming device
JP2000122447A Cleaning device for transfer roller of image forming device
US6067436A Image-forming machine
JPH11344881A Image forming machine
US5950050A Image forming apparatus
JPH11268840A Image forming device
JPH11272144A Image forming device
JPH11268878A Paper circulating device and image forming device
JPH11272095A Image forming device
US6026263A Combination including container for developer and rotating shaft mounted in container with improvements preventing toner from penetrating a gap formed by the shaft and ensuring that an agitator/conveyor of the shaft acts to fully agitate the toner
US6145828A Sheet conveyor single-handed parting engagement mechanism
US6096467A Positive charging color toner
US5987288A Image forming apparatus having a plurality of magnetic developing rollers