| 1951 | - Started Japan's first research into contact lenses
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| 1957 | - Founded the Tokyo Lens Research Institute
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| 1962 | | |
| 1970 | - Mycon stored at the Time Capsule in Osaka Japan
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| 1972 | - Launched "Mycon Soft" Japan first soft contact lenses
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| 1984 | - Launched "Mycon Hi-O2" oxygen permeable hard contact lenses
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| 1985 | - Founded the SEED Contact Lens Rsearch Insitute
- Brand name changed from Mycon to SEED
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| 1987 | - Trade name changed to SEED co.,Ltd
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| 1989 | - Registered shares with the Japan Securities Dealers Association
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| 1991 | - Founded the Okegawa Research Insititute
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| 1992 | - Launched the "Consept F" soft contact lens care system that requires no boiling sterilization
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| 1993 | - Entered the eyeglasses market
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| 2000 | - Launched "SEED S-1" high oxygen permeability hard contact lenses
- Released the "Vivid Moon" eyewear brand featuring actress Yasuko Matsuyuki
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| 2001 | - Launched "Softmate" cleaning and sterilizing system for soft contact lenses
- Launched "SEED 2weekFine" two-week replacement soft contact lenses
- Merged the Omiya and Okegawa Research Institutes to form the SEED Research Insititute
- Launched the "Plusmix" eyewear brand for young people
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| 2002 | - Launched "SEED MonthlyFine", one-month replacement soft contact lenses
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| 2003 | - Launched "Adeno Test AD", an adenovirus antigen detection reagent
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| 2004 | - Launched "2weekPure", the first Japanese-made two-week replacement soft contact lenses
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| 2005 | - Re-launched "2weekPure" two-week replacement soft contact lenses
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| 2006 | - Launched "SEED 2weekFineα" two-week replacement soft contact lenses
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| 2007 | - Launched "Purity Moist" enzyme cleaning and storage solution for oxygen permeable hard contact lenses
- Launched "SEEDO Softcore" cleaning, rinsing, sterilizing and storage solution for soft contact lenses
- Launched "SEED 1dayFine" ultra-thin one-day disposable soft contact lenses
- Launched the new "I SEED" eyewear brand to commemorate the company's 50th anniversary
- Founded the SEED Konosu Research Insitute
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| 2008 | - Launched "2weekFineαTORIC" two-week replacement soft contact lenses for astigmatism
- Launched "SEED UV-1" hard contact lenses with ultraviolet protection
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| 2009 | - Launched "SEED 1dayPure", the first Japanese-made one-day disposable soft contact lenses
- Launched "SEED MonthlyFIneUV" monthly replacement soft contact lenses
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| 2010 | - Masahiro Urakabe appointed 8th President
- Launched "SEED 1dayFineUV" and "SEED 2weekFineUV" soft contact lenses wit ultraviolet protection
- Launched "SEED 2weekPure Multistage" bifocal two-week replacement soft contact lenses
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| 2011 | - Acquired ISO 13485:2003 certification and received official approval to use CE marking
- Started the support program for the project growing eye dogs and people with visual impairment
- Launched "SEED MultifocalO2Noah" bifocal hard contact lenses
- Launched "SEEDO SoftcarePure", cleaning, rinsing, sterilizing and storage solution for soft contact lenses
- Launched "SEED 1dayPure moisture", the one-day disposable soft contact lenses to be only made in Japan which include natural moisturizing agent
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| 2012 | - Launched "SEED 1day Pure Multistage", the bifocal daily disposable soft contact lenses
- Launched "SEED Eye Coffret 1day UV", the daily disposable ultra-slim circle lenses
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| 2014 | - Company listed on the Tokyo Stock Exchange (TSE) 2nd Section
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| 2015 | - Launched "SEED PlusMode 1day Homme", the daily disposable ultra-slim circle lenses
- Launched aspheric high oxygen permeability rigid gas permeable contact lens "SEED AS-LUNA"
- Launched multifocal rigid gas permeable contact lens "SEED O2 M type" and "SEED multifocal O2 H type"
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| 2016 | - Launched "SEED 2weekPure moisture"
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| 2017 | - Company listed on the Tokyo Stock Exchange (TSE) 1st Section
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