Outline

Name	OPTICAL RYUTO.,LTD.
Establish	Dec 10, 1974
Capital	¥10,000,000
Representative	Yoshikazu Takeiri
Address	[Headquarter, factory]Hiraide1749-3, Tatsuno-machi, Kamiina-gun Nagano 〒399-0422 Japan
TEL	0266-41-0885
FAX	0266-41-1985
Number of employees	20
Equipment	8 Multilayer ﬁlm vacuum metallizers（BMC-900） 2 Multilayer ﬁlm vacuum metallizer（SID-1150D） 5 Single layer ﬁlm vacuum metallizers 2 14 tank type automatic washing equipment 3 Precision cross glass cutting automatic machines 1 Spectro-photometer type U-4100 1 Spectro-photometer type U-4000 1 Spectro-photometer type U-3310 2 Reflectometers（OLYMPUS） 1 Small environmental test machine

1974 Dec	Ryuto kouki., LTD. is established. Mainly with glass cutting and processing.
1980 Jun	6 manual single layer ﬁlm deposition equipment are introduced.
1988 Mar	We stepped forward in the ﬁeld of the vacuum deposition.
1990 Jan	Manual multilayer ﬁlm evaporative apparatus(Poly cold) is introduced,began AR coating.
1991 Jul	The headquarter was relocated to its present site with business expansion and new equipments.
1996 Aug	As times changed, we upgraded from manual equipment to full-automatic evaporative apparatuses.
1999 Apr	Establishment OPTICAL RYUTO., LTD. as a sales company, Ryuto kouki., LTD. became our manufacturing ﬁrm.
2000 Dec	Began mass production of Film-setting by (IAD) Ion assist deposition.
2002 Sep	Established second Ryuto kouki., LTD. factory as “OPUTO Development Center”
2004 Sep	Established our internet homepage for our 30th business anniversary.
2009 Apr	Consolidated Ryuto kouki.,LTD. and OPTICAL RYUTO.,LTD.
2014 Sep	40th anniversary.
2015 Oct	Yoshikazu Takeiri was inaugurated as president.