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NITTOH KOGAKU KK

Overview
  • Total Patents
    254
  • GoodIP Patent Rank
    11,221
  • Filing trend
    ⇩ 18.0%
About

NITTOH KOGAKU KK has a total of 254 patent applications. It decreased the IP activity by 18.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets optics, audio-visual technology and electrical machinery and energy are YEON SYSTEMS CO LTD, NITTO OPTICAL and JOS SCHNEIDER OPTISCHE WERKE.

Patent filings per year

Chart showing NITTOH KOGAKU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takahashi Fuminori 32
#2 Mochizuki Keiichi 31
#3 Matsuo Yasuhiko 29
#4 Yamashina Kazunari 22
#5 Shinohara Katsunori 18
#6 Kageyama Takuya 18
#7 Yamaguchi Takashi 16
#8 Koizumi Fumiaki 15
#9 Sawamoto Akira 12
#10 Yamagishi Akira 11

Latest patents

Publication Filing date Title
JP2020030423A Projector device
JP2020008884A Concave surface mirror and projection optical system
JP2021004924A Projection optical system and projector device
JP2021004925A Projection optical system and projector device
JP2020197673A Lens barrel
JP2019091073A Curved surface mirror adjustment device, and projection optical system
JP2019066893A Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens
JP2019066894A Adjustment device for generatrix-circumferential direction angle of cylindrical lens, and lens barrel having adjustment device for generatrix-circumferential direction angle of cylindrical lens
JP2020106660A Relay optical system and projection optical system
JP2020106661A Optical system for projection and projector
JP2020106640A Projection optical system and projector device
JP2020101714A Image capturing optical lens system
JP2020101715A Imaging lens optical system
JP2020101713A Image capturing optical lens system
JP2019056928A Projection lens barrel and projection display device
JP2019056930A Projection lens barrel and projection display device
JP2019056929A Projection lens barrel and projection display device
JP2019056927A Projection lens barrel and projection display device
JP2019056926A Curved surface mirror adjusting device
JP2019049735A Optical device