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ASAHI OPT KK

Overview
  • Total Patents
    13
About

ASAHI OPT KK has a total of 13 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan and Taiwan. Its main competitors in its focus markets machines, optics and macromolecular chemistry and polymers are DBM REFLEX ENTPR INC, 2100 INC Q and Q2100 INC.

Patent filings in countries

World map showing ASAHI OPT KKs patent filings in countries
# Country Total Patents
#1 Japan 12
#2 Taiwan 1

Patent filings per year

Chart showing ASAHI OPT KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Saito Sukeyoshi 8
#2 Kagei Kazunori 8
#3 Kobayashi Tadashi 7
#4 Kato Masashi 4
#5 Tsujihata Kazuhiko 2
#6 Rin In-Nien 1
#7 Hirakawa Chieko 1
#8 Chuu Chenya 1
#9 Ono Kotaro 1
#10 Yan Cho 1

Latest patents

Publication Filing date Title
JPH10291257A Manufacture of optical thermoplastic urethane resin lens, and its lens
JPH10235281A Method for removing hard coating film of plastic lens
JPH10180893A Plastic lens and its manufacture and apparatus therefor
JPH10186101A Optical high-refractive index plastic lens
JPH1015965A Apparatus for producing plastic lens
JPH09117921A Mold for cast molding of resin lens for glasses
JPH09113852A Plastic lens for high-refractive index spectacles
JPH08300501A Manufacture of plastic lens
JPH05341239A Plastic lens for high refractive index spectacles
JPH05303001A Method for shaping thermosetting resin lens for spectacles and support for shape used in the method
JPH05287241A Hard-coating agent for optical article and optical article
JPH02153709A Method and mold for manufacturing plastic lens