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| 1951 |
GOSEN CO.,LTD. was established and started manufacturing nylon synthetic thread. |
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| 1960 |
Developed world longest selling string "HY-SHEEP®". |
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| 1963 |
Developed special coated string "OG-SHEEP®". |
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| 1968 |
For the first time in Japan "HY-SHEEP-S" was officially recognized by (the) Japan Soft Tennis Federation.
Tennis strings were also officially recognized by (the) Japan Tennis Association.
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| 1969 |
Obtained a patent on (the) manufacturing the whole shaft, strictly steel made badminton rackets.
Released the highest quality and lightest weight model "EXCELLENT".
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| 1971 |
Oil injected "HY-O-SHEEP®" tennis string obtained patent in U.S.A., U.K. etc.. |
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| 1973 |
Rod Laver (Australia) the Grand Slam tennis champion signed a contract to promote GOSEN. |
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| 1976 |
In the golden age of the wooden racket, GOSEN developed the bamboo racket "HY-THOMAS®" that has better resilience than wooden. |
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| 1980 |
Released the world's first joint-less carbon badminton racket and this racket leads to the current carbon rackets. |
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| 1981-1982 |
Jimmy Connors and Chris Evert Lloyd, top players at that time, signed an international contract to promote GOSEN. |
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| 1985 |
GOSEN strings were officially approved by Indonesia Badminton Association. |
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| 1986 |
Officially approved by International Tennis Federation. |
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| 1988 |
Developed genuine multi-filament string "TECGUT®". |
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| 1990 |
Developed "Umishima" structure, "TECGUT 7000". |
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| 1994 |
Signed with C.Martinez (Spain) to promote GOSEN tennis string "TECGUT PRO" for widebody tennis racket. |
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| 1996 |
GOSEN is the only badminton string whichi was approved by International Badminton Federation. |
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| 1998 |
Developed "GAVUN®" shaft, ROOTS® racket, featuring two-kick points for the first time in the racket industry. |
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| 1999 |
Developed bio degradable string "BIOGUT®" for the first time in the world.
Signed with Malaysian Badminton Association for sponsorship.
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| 2000 |
Signed with Anna Kournikova to promote GOSEN tennis string and grip.
Released high quality AK series tennis strings co-developed with her.
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| 2001 |
Adopted the super alloy "AERMET" in strings and rackets for the first time in the world. |
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| 2003 |
Lined up the new ROOTS series racket with new patented mechanism named WPP (Wave Power Performance) which increases resilience. |
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| 2005 |
Adopted nano-technology in strings "NANOCUBIC®" first time in the world. |
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| 2006 |
Became a member of NIKKE group. |
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| 2007 |
Developed R4X badminton string with revolution Quattro-Fiber. |
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| 2009 |
Developed FG tennis string with flat shape first time in the world. |
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