| 1956 | Business started. |
|---|---|
| 1957 | ltoh Optical Lens Works Ltd. was inco「PO「ated. (Capital:¥5,000,000) |
| 1958 | Sta「ted production of contact lenses the first in Japan. |
| 1964 | Started production of coated eyeglass lenses the first in Japan. |
| 1965 | Started p「oduction of color-coated lenses. |
| 1967 | Completed the head office building. Itoh Optical Co.. Ltd. was incorporated. |
| 1968 | Released the non-glare color-coated lenses. Started OEM supply to Nikon Corporation. |
| 1969 | Moved head office to the present location. Changed company name to ltoh Optical Industrial Co, Ltd. |
| 1970 | Established plastics department Group company, Tokai Seimitsu Industrial Co..Ltd was incorporated. |
| 1973 | Developed glass lens multi-coating technology (transmittance: 99.8%) |
| 1975 | Completed the north annex to the head office building. |
| 1977 | Increased capital of ltoh Optical Industrial Co. Ltd. to ¥50,000.000. Completed extension of the Company's Plant 3. |
| 1978 | Started production of multi-coated color glass lenses. Started production of CR-39 hard-coated eyeglass lenses the first in Japan. |
| 1979 | Completed extension of the North Building of the Head Office. Started production of CR-39 multi-coat for eyeglass the first in Japan. |
| 1983 | Started production of CR-39 hard multi-coated eyeglass lenses. |
| 1984 | Started production of gas permeable hard contact lenses. |
| 1985 | Completed the new building of Tokai Seimitsu Industrial Co.. Ltd. Started production of hard multi-coated plastic lenses of middle refraction. |
| 1986 | Completed Company's Plant 2. |
| 1988 | Started production of chemical-AR-coated lenses. Exhibited at Vision Expo in New York. |
| 1993 | Started casting-molding of plastic lenses. Released the impact registant coating for plastic lenses (Coating name: Alpha Coat) . |
| 1995 | Started production of lenses of l.60 refrective inde. Started production of CD mirrors. |
| 1997 | Started production of lenses l.67 refractive index. |
| 1998 | Started production of DVD mirrors. lncorporated TSL Co.. Ltd.. a new company to focus on marketing and sale for eyeglass retailers. |
| 2000 | Obtained 1S0900 l certification (Manufacture ans sales of eyeglass lenses, optical thin-film parts and contact lenses). Released the lenses of l.74 refractive indexlm the world's first (Brand name: Anterior). |
| 2001 | Incorporated B.T.O. Co.. Ltd.. a new company to dedicate itself to retail sale of eyeglass lenses and franchising of retailers under the concept of "Face by Glasses" and"Charm with Glasses" Released the proglessive lenses of l.67 refractive index with 12-mm corridor length. of company's unique design (Brand name : Variar) |
| 2002 | Completed Company's Toyokawa Plant and started production of optical functional parts Completed the new building of Ohno Plant of Estumi Optcal Co., Ltd Started production of lenses with super- hydrophobic coating (Coating name : Splash Coat). |
| 2003 | Released the progressive lenses of l.67 refractive index with 8-mm corridor length, of company's unique design the world's first (Brand name : Variar SR). |
| 2004 | Started production of ITO film for touch panels for mobile phones and game machines. |
| 2005 | Released the coat superior in abrasion to glass-coated length. of company's unique design (Coating name : Esencia Coat). Received the Nagoya Municipal Industrial Research Institute Director Award. Completed the new building of Takai Seimitsu Industrial Co., Ltd . IRBcut lens which cuts the transmission of infrared.(IR Blue Cut Coat). |
| 2006 | Approved as an Aichi Quality Company. |
| 2007 | Released the glass-type filter, dichromat spectacles to simulate colarvision deficiency the world's first (Brand name : Variantor) Development of optical design with anti-reflection by fine processing, joint with the National lnstitue of Advanced Industrial Science and Technology the world's first. Obtained ISO 14001 certification(Head office & Toyokawa plant) . Received the Good Design Award for the color vision deficiency simulation glass "vatiantor". |
| 2008 | Selected as "300 of Japan Dynamic Monodzukuri SMEs" by METI. Released the both sided aspherical lenses of 1.74 refractive index (Brand name : Anterior GZ). |
| 2009 | Released the HGC coated lenses featuring heat resistant (Brand name : Heat Guard Coat) . Released the polarized lenses of l.67 refractive index (Brand name : Reciente polarized lense). |
| 2010 | Released the photochromic / polarized lenses of 1.55 refractive index (Brand name : Bensel polarized lenses). Released the polarized lenses of l.60 refractive index (Brand name : Abonar polarized lenses). Released the polarized lenses of l.74 refractive index the world's first. Released the functional lenses for golf (Brand name : Eagle View). Became a supporting member of the Color Universal Design Organization. Received the Commendation for Science and Technology by the Minister of Education. Culture. Sports, Sience an Technology for the color vision deficiency simulation glass "Variantor". Received the Minister Prize, the Ministry of Economy. Trade and lndustry in the Award for the Promotion of lndustry-Academia-Government Collaboration. Collaboration. for the color vision deficiency simulation glass "Variantor" |
| 2012 | Released the functional lenses for blocks blue light spectrum (Product name : D.L.C. Aqua Coat). Released the Good Design. Award for the D.L.C. Aqua Coat lenses, Which blocks bIue light spectrum. |
| 2013 | Released the functional anti-fog lenses (Product name : Amazing Coat). Released the external-progressive and internal-aspherical lenses with refractive indexes of l.60 and l.67 (Brand name : Quince). |
| 2014 | Released the functional lenses to block UV radiation by 99% (Product name : Menimo). Released the internal progressive lenses with refractive indexes of 1.60. 1.67. and 1.74 (Brand name : Merius) |
| 2015 | Released the internal progressive lenses for middle/near vision with refractive indexes of 1.60 and 1.67 (Brand name : Roommin L). Released the both aspherical single vision lenses with refractive index of 1.67 (Brand name : Reciente FZ). |
| 2016 | Released the convergence insufficiency for Proglessive lenses (Brand name : CIF-V). Released the extended depth of field lenses (Brand name : ES Lens). Received the Good Design Award (Eyeglass lenses of Half Photochromic Lens). |
| 2017 | Received the Nagoya Mayors Award. Nagoya City Industrial Grand Prix, for the extended depth of field lenses. Released the high-curve optmal design lenses (Brand name : Sports RS). |
| 2018 | Approved as The Driving Company for the regional future by the Ministry of Economy, Trade and Industry. Released the ultra-superhydrophobic lens (brand name: LOTUS COAT). |
| 2019 | Started production of DVD mirrors. Exhibited at SID(The Society for Information Display)in San Jose. Elderly Vision Simulator "Senior View". Exhibited at IOFT 2019. Launched 1.60, 1.67, and 1.74 double-sided progressive lenses (Brand name: Esperance). |
| 2020 | Launched 1.60, 1.67, and 1.74 individual lenses (Brand name: Gradual). |
| 2021 | Launched ultra-low reflection coating (Brand name: ULR Coat). |
| 2022 | World's First: Launched lenses made from plant-based raw materials, the first in the world to receive Biomass Mark certification (Brand name: Botanical). |
| 2023 | Launched high myopia lenses (product name: Slim View) designed to significantly reduce lens thickness. |
