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NAGANO KOGAKU KENKYUSHO KK

Overview
  • Total Patents
    73
About

NAGANO KOGAKU KENKYUSHO KK has a total of 73 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets optics and environmental technology are NINGBO TIANXIANG COMM EQUIPMENT CO LTD, YAMANOI KOZO and PROTAI PHOTONIC CO LTD.

Patent filings in countries

World map showing NAGANO KOGAKU KENKYUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 73

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Kubota Yoji 60
#2 Matsui Toshio 20
#3 Sugiyama Takashi 20
#4 Soya Akihiko 6
#5 Kato Yasushi 5
#6 Kasuga Seiji 4
#7 Kato Shin 3
#8 Koike Sei 2
#9 Saito Akio 1
#10 Nakamura Yoshiyuki 1

Latest patents

Publication Filing date Title
JP2009080507A Wide angle lens
JP2007264676A Wide angle lens
JP2007183687A Photographic lens for digital camera
JP2008227999A Image evaluating chart and image evaluating apparatus
JP2007086818A Photographic lens for digital camera
JP2006227638A Liquid crystal projector
JP2006210360A Arc lamp with auxiliary mirror and lighting system
JP2006120646A Arc lamp with auxiliary mirror and lighting system
JP2006319695A Monitor camera and monitor device
JP2006300969A Zoom lens constituted of five groups
JP2006250833A Temperature compensation method for spectroscope
JP2006235133A Zoom lens drive mechanism
JP2006193057A Vehicle monitoring unit and room mirror apparatus
JP2006168699A Display method of monitoring image of vehicle
JP2006145837A Liquid crystal projector
JP2006139197A Zoom lens system
JP2006133283A Small-sized zoom lens
JP2006126254A Zoom lens constituted of four lenses of three groups
JP2006058830A Optical unit of camera mounted on portable telephone
JP2005173542A Zoom lens