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HISANKABUTSU GLASS KENKYU

Overview
  • Total Patents
    70
About

HISANKABUTSU GLASS KENKYU has a total of 70 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 machines, materials and metallurgy and optics are QUARZGESELLSCHAFT M B H DEUTSC, Z AVTOSTEKLO and TATEVOSYAN KAREN M.

Patent filings in countries

World map showing HISANKABUTSU GLASS KENKYUs patent filings in countries
# Country Total Patents
#1 Japan 70

Patent filings per year

Chart showing HISANKABUTSU GLASS KENKYUs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Nishii Junji 45
#2 Yamagishi Takashi 43
#3 Inagawa Ikuo 34
#4 Iizuka Ryuji 31
#5 Morimoto Shozo 26
#6 Yamashita Toshiharu 22
#7 Miyazono Yasushi 11
#8 Watanabe Jun 10
#9 Tajiri Yoshichika 8
#10 Yokota Ryosuke 6

Latest patents

Publication Filing date Title
JPH0592663A Rewritable type optical data recording medium
JPH0594620A Method for overwriting rewritable optical information recording medium
JPH0594640A Rewritable optical information recording medium
JPH06171234A Optical data recording medium
JPH05229259A Optical data recording medium
JPH05229258A Optical data recording medium
JPH04297249A Hand piece for laser scalpel apparatus
JPH0446032A Production of germanium-selenium-tellurium glass
JPH0446033A Production of chalcogenide glass
JPH0429101A Chalcogenide glass fiber for transmitting co2 laser energy
JPH0419603A Fiber for energy transmission
JPH0419602A Receptacle for transmitting energy
JPH0419601A Method and device for monitoring failure of fiber for energy transmission
JPH03285837A Manufacture of infrared image bundle
JPH03237401A Antireflecting film of chalcogenide glass
JPH03236002A Light guiding path for energy transmission
JPH03236001A Fiber cable for energy transmission
JPH03229201A Production of antireflection film of chalcogenide glass
JPH0382592A Rewriting type optical data recording medium
JPH0382591A Rewriting type optical data recording medium