HORIBA RADIO LABORATORY is established.
HORIBA's first glass electrode pH meter, a key product in the early years.
HORIBA Ltd. is established.
The GA model infra-red gas monitor is put on the market.
The rise of infra-red gas analysis technology.
A business and technical alliance is formed with Hitachi, Ltd.
The completion of the first automotive emission analyzer MEXA-1.
NDIR-type air pollution monitor APMA-1.
The MEXA-200 CO analyzer comes out, a major hit product in the HORIBA annals.