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RICOH KOGAKU KK

Overview
  • Total Patents
    34
About

RICOH KOGAKU KK has a total of 34 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets optics are LAUER VINCENT, INTELLIGENT IMAGING INNOVATIONS INC and MOSSBERG THOMAS W.

Patent filings in countries

World map showing RICOH KOGAKU KKs patent filings in countries
# Country Total Patents
#1 Japan 34

Patent filings per year

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

Focus industries

# Industry
#1 Optics

Focus technologies

Top inventors

# Name Total Patents
#1 Takahashi Yasushi 22
#2 Ono Katsuaki 12
#3 Sugimura Keiichi 5
#4 Takahashi Kyogo 4
#5 Ito Shuichi 4
#6 Terasawa Koji 3
#7 Gouchikawa Kazumasa 2
#8 Shigeniwa Naoki 2
#9 Umeki Kazuhiro 2
#10 Terui Yoshinobu 2

Latest patents

Publication Filing date Title
JPH04184310A Fourier transformation lens
JPH04172414A Reflecting mirror fitting structure
JPH04145411A Optical unit
JPH04125516A Lens for reading document
JPH04120509A Optical scanner
JPH04119312A Optical scanner
JPH04119313A Optical scanner
JPH0497211A Telecentric ftheta lens
JPH0493914A Lens for scanning
JPH0493910A Telecentric ftheta lens
JPH0481701A Reflection preventive film
JPH0470621A Optical scanner
JPH0470620A Lens holding device in optical scanner
JPH0470619A Scanning lens
JPH03280008A Ftheta lens for optical scanning device
JPH03279906A Ftheta lens for optical scanner
JPH03251801A Antireflection film
JPH03236011A Ftheta lens for optical scanner
JPH03231712A Ftheta lens for optical scanner
JPH03221910A Ftheta lens system in optical scanner