Gosen

1986 International Tennis Federation officially recognises Gosen strings.

1994 Conchita Martínez (Spain) signs agreement to promote Gosen tennis strings "Tecgut Pro" for wide-body tennis rackets.

1996 International Badminton Federation officially recognises Gosen badminton strings.

1998 Gosen develops "Gavun" shaft, and Roots racket, featuring two-kick points.

1999 Gosen develops revolutionary biodegradable string "Biogut". Malaysian Badminton Association signs sponsorship agreement with Gosen.

2000 Anna Kournikova signs agreement to promote Gosen tennis strings and grips. Gosen releases AK series tennis strings co-developed with Kournikova.

2001 Gosen adopts super alloy "Aermet" in strings and racquets.

2003 Gosen develops Roots series with patented mechanism WPP (Wave Power Performance).

2005 Gosen adopts nanotechnology in strings – "Nanocubic"

2007 Gosen develops R4X badminton string with Quattro-Fiber.

2009 Gosen develops the FG tennis string – world's first flat-shaped string.

2010 Gosen signs partnership with Penang Badminton Association (PBA).

2011 Professional tennis player Peng Shuai (China) signs agreement to promote Gosen tennis strings.

2013 Gosen enters partnership with Southern Tasmania Badminton Association (STBA), Badminton Geelong Inc. (BGI), NSW Badminton Association (NSWBA) and ACT Badminton Association (ACTBA).; Professional badminton player Hiroyuki Saeki (Japan) and Ryota Taohata (Japan) signs agreement to promote Gosen badminton racquets; Professional tennis player Kaichi Uchida (Japan) signs agreement to promote Gosen tennis strings

2014 Gosen enters partnership with Brisbane Badminton Association (BBA); develops "G-Tone Series" strings which uses their "micro-fusion" manufacturing process around the string core.

CT-Sheep Series — Uses special resin coating. Models in this series are more commonly known by the prefix "Pro" (e.g. Pro 66 and Pro 77).

Nanocubic Series (patent application in progress) — Uses special nano-coating that combines a multifilament core with monofilament wraps. Models include: Nanomicro.

Tennis and soft tennis

Polylon Series — Special blended polyester strings.

Umishima Series — Designed using a patented string construction.

FG Series (patent application in progress) — The world's first flat-shaped string.

Tecgut Series (patented string design)

OG-Sheep Series — the series with models containing the prefix of "Micro" (such as Micro Super 16, Micro 16).

Gosen also manufactures an additional 24 tennis strings, and 21 soft tennis strings, which are only available domestically in Japan. Gosen manufactures 2 additional series:

Gosen-X (Hybrid) Series

HY-Sheep Series

Gosen racquets

Gosen was one of the world's first companies to make jointless carbon rackets. The company uses "High Modulus Graphite" in their entry and middle-level racket ranges and use M30 and M40 carbon material for their higher-end rackets.

Badminton

Ryoga Series – shafts co-developed by Seiko Rod, Toray and Gosen. It consists of the Ougi, Shiden, Tenbu and Issen.

Gungnir Series – first series to be manufactured in Taiwan with 80 grommet design

Customedge Series – designed to allow a weight to be added onto the edge of the frame

Roots Series – contains a patented shaft

Trivista Series

Mira and Miracle Light Series

Grapower Series

Legendary Series

Training Series

Tennis and soft tennis

Gosen manufactures a range of tennis and soft tennis rackets which are only available in Japan.

It includes the following series:

Evolve Series

Trivista Series

Hishun Series

Axthies Series

Miracle Light Series

Gosen grips

Gosen produces replacement grips and over-grips that are made in Taiwan and Japan. All "AC" series are Made in Japan.

Gosen shuttlecocks

Gosen produces two types of shuttlecocks: feather and nylon.

Feather shuttlecocks

All Gosen feather shuttlecocks are Made in China. Examples include:

Goose Feather:

Gosen GF1 and GF10 – Certified by the Japan Badminton Association (now known as the Nippon Badminton Association).

Duck Feather:

Gosen GF70

Nylon shuttlecocks

Gosen produces nylon shuttlecocks are Made in Taiwan. An example is:

Gosen GN-105H – Certified by the Japan Badminton Association (now known as Nippon Badminton Association).