1895

The History of Wired Communication

• 1895:Guglielmo Marconi makes the first wireless transmission

• 1900:The first automatic telephone service is launched

• 1914:The world’s first wireless phone service is launched for practical use

• 1955:The construction of a microwave circuit network across Japan is completed.

• 1962:Digital communication system (PCM) developed for practical use

• 1964:Submarine coaxial cable constructed across the Pacific Ocean

• 1977:Semiconductor laser introduced for optical fibers

• 1982:TCP/IP Internet protocol completed

• 1985:Optical fiber cable network across Japan completed

• 1988:SONET/SDH international standard approved for digital communication

• 1990:Commercial internet services launched

• 2000:Wide LAN service launched

• 2012:Significant spread of cloud services begins

The History of Wireless Communication

• 1985:Shoulder phone services launched

• 1993:Digital mobile phone services launched

• 1997:Analog mobile phone services launched

• 2001:3G mobile phone services launched

• 2005:1seg devices developed

• 2010:Smartphones become popular on a global scale
  LTE services launched

• 2014:LTE-Advanced services launched

2015

2016

Future developments for IoT/5G

• 2017:Commercialization of 400G Ethernet

• 2020:5G services launched

1952

Social changes surrounding the food industry in Japan

• 1952:Measurement Act executed

• 1961:Supermarket chains opened

• 1974:Convenience stores opened

• 1995:Product Liability Act executed

• 1998:Act on Temporary Measures concerning Sophistication of Management of Food Manufacturing Process executed

• 2003:National Consumer Affairs Center of Japan established

• 2009:Consumer Affairs Agency established

• 2014:50,000th major convenience store opened