| 1943 |
Japan Radio Glass begins operations manufacturing glass for use in vacuum
tubes.
|
| 1955 |
Japan Radio Glass incorporates with 5,000,000 yen in capital, establishing
headquarters and factory in Mitaka, Tokyo.
|
| 1974 |
New manufacturing plant built in Kamifukuoka-shi, Saitama with continuous
tank furnace, machine-blown bulb equipment and annealing furnace mass production
facilities.
|
| 1977 |
Relocation of head office and production facilities to Kamifukuoka and
closing of Mitaka office.
|
| 1979 |
New business model through investment by Toshiba Glass K.K. ( now Asahi
Techno Glass Co) and integration with Toshiba Glass workforce and Kawasaki
plant.
October 1: New incorporation and beginning of business for Japan Radio
Glass Co., Ltd.
|
| 1987 |
Installation of gathering robot and start of large
press production.
|
| 1990 |
Installation of 16HD automatic blowing machine.
|
| 1991 |
Begin delivery of 20-inch photomultiplier bulbs for use in neutrino detector.
|
| 1993 |
Installation of independent and high temperature test furnaces enables
increased focus on production of new glass materials.
|
| 1994 |
Installation of small Donner furnace, product
of UV tubes begins.
|
| 1996 |
Installation of 5 new independent furnaces to facilitate increased diversity
in glass production.
|
| 1998 |
Creation of company mark in anticipation of further
growth.
|
| 2002 |
ISO14001 accreditation |
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