Our history

January 1939 Mr. Hideji Otsuka established otsuka manufacturing co., ltd. at 1-14 Takanawa, Minato-ku, and Tokyo.
March 1941 Company was dissolved due to war.
1948 Company was reestablished at 1-4 Koyama, Shinagawa-ku, Tokyo
1957 Company developed Otsuka illuminated magnifier.
1958 Company obtained a patent.
1970 Company was reorganized as otsuka manufacturing co., ltd.
1974 Company introduced NC machine tools to automate turning process.
1979 Company obtained a patent for table lamp with magnifier.
1980 Company released Rectangular Series of magnifiers.
1989 Company was approved as an excellent medium company by Government of Shinagawa-ku
1989 Company got a patent for a new product.
November 1990 Company increased its capital to 10,000,000 yen.
December 1991 Company moved its head office temporarily to Senzokuike, Ota-ku, for construction of new head office building.Meguro Plant in Shimomeguro, Meguro-ku was built.
April 1992 Company increased its capital to 20,000,000 yen.
June 1992 construction of new head office building was started.
July 1993 New head office building was completed.
July 1993 Company was renamed as Otsuka Optics Co., Ltd.
September 1995 Company entered the Tokyo Chamber of Commerce and Industry.
September 1996 JET certification mark was obtained.
October 1997 a show room in Osaka opened.
July 1998 Company applied for registration of design of O-Light III table lamp with magnifier.
May 2001 Company obtained international patent in Taiwan.
February 2003 Company changed its directors. It Designated Taito Otsuka as CEO.
April 2003 Company increased its capital to 28,500,000 yen.
January 2006 Company opened a show room in Nagoya.
January 2007 Company introduced LED surface flaw inspection lamp “BARLIGHT II” and long-focus LED-illuminated magnifier “O-SCOPE”.
December 2008 Company released “LSK Wide” Series LED-illuminated magnifiers.
February 2010 Released the LED BORELOUPE, a loupe for inner inspection of holes and grooves

January 2013 Released the LED illuminated magnifier “SKKL Series”
January 2015 Released the LED illuminated magnifier “LUXO Series”
November 2016 Released the OLED inspection light “MODELIGHT Series”