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Flat glass, automotive glass, display and specialty glass, chemicals, CDMO pharmaceuticals and technical ceramics from own melting and process technology

AGC Logo

AGC Inc.

Tokyo · Yokohama · Amagasaki · Takasago · Kitakyushu · Ichihara · Taketoyo · Kamisu · Aikawa · ŌamishirasatoNew on Amplifa

1907Founded (Asahi Glass Co., Amagasaki)
8.122Employees (AGC Inc. standalone, as of 31.12.2025)
10Locations in Japan
30+Countries with business operations

About AGC

AGC Inc. (until 2018 Asahi Glass Co.) is a listed Japanese materials manufacturer headquartered in Tokyo with production operations in more than 30 countries. The company produces flat glass using the float process for architecture and automotive, display glass substrates made of alkali-free glass, chemically tempered Dragontrail® cover glass, as well as glass and synthetic quartz substrates for semiconductors, including EUV photomask blanks. In addition, coatings (PVD, CVD, wet-coat), fluoropolymer products (PTFE/Fluon®), ion exchange membranes (Flemion®), technical ceramics and silicon carbide are produced. Through its chlor-alkali electrolysis business, AGC supplies basic chemicals and fluorine chemicals. In its Life Science division, AGC operates as a CDMO for synthetic active ingredients, biopharmaceuticals as well as cell and gene therapeutics with GMP-compliant production. The manufacturing steps include glass melting, hot forming, thermal and chemical tempering, laser cutting, machining, polishing, etching, plasma and coating processes as well as injection molding and extrusion processes.

Site
100-8405 Tokyo
Processes
Flat glass production by the float process, Glass melting and forming process, Flat glass production by the Belgian hand-blown cylinder method, Hot forming (bending/press forming), Air-cooled toughening (thermal tempering), Chemical strengthening (ion exchange), Laser processing, Machining (edge processing, drilling)
Materials
Flat glass, Alkali-free glass, Dragontrail® cover glass, Synthetic quartz, Silicon carbide SiC, Ceramics, PTFE (Fluon®), Fluoropolymers (Lumiflon®, CYTOP®, AFLAS®)
Founded
1907
Employees
8,122 (AGC Inc.
Industries
Architectural glass/building materials, Automotive/mobility, Electronics/displays, Semiconductors, Chemicals, Life sciences/pharmaceuticals
  1. 01

    Raw material preparation (quartz sand, soda ash)

  2. 02

    Glass melting and float/pillar casting

  3. 03

    Hot forming (bending/pressing)

  4. 04

    Tempering (thermal/chemical, ion exchange)

  5. 05

    Laser and mechanical machining, polishing

  6. 06

    Coating (PVD/CVD/wet)

  7. 07

    Composite manufacturing with plastics (injection molding, laminate)

  8. 08

    Testing and delivery; in parallel chemical electrolysis and

Materials & Processes

Float

Flat glass (float glass)

Continuous casting and drawing production for architectural and automotive glass.

AG-D

Alkali-free display glass

Substrate glass with ultra-low thermal expansion for TFT-LCD displays.

DT

Dragontrail® cover glass

Chemically tempered specialty glass for smartphone and touch covers.

SQ

Synthetic quartz

Synthetically produced SiO2 glass for semiconductor and optical components.

SiC

Silicon carbide (SiC)

Ceramic high-temperature and wear material for semiconductors and furnaces.

Cera

Technical ceramics

Refractory and fine ceramic components for furnace and industrial applications.

PTFE

PTFE / Fluon®

Fluoropolymer extrusion and processing into films, sheets and composite products.

Flemion

Flemion® ion exchange membrane

Fluoropolymer membrane for chlor-alkali electrolysis and energy applications.

API

Pharmaceutical active ingredients (API/CDMO)

GMP contract manufacturing of synthetic and biological active ingredients.

GP

Glass-plastic composite

Injection-molded and laminate composite of glass and polymer films for automotive.

Locations

Tokyo (Headquarters)

JP

Group headquarters and administration

Yokohama

JP

AGC Yokohama Technical Center (formerly Keihin plant), R&D and process development

Amagasaki

JP

Kansai plant, glass melting and processing

Materials
Flat glass, specialty glass

Takasago

JP

Kansai plant, production of flat glass

Materials
Flat glass

Kitakyushu

JP

Production site

Ichihara

JP

Chiba plant, chemical and bioprocess manufacturing (AGC Bioplant)

Materials
API, biopharmaceuticals
  • Microbial bioreactors

Taketoyo

JP

Aichi plant, production

Kamisu

JP

Kashima plant, production

Aikawa

JP

Sagami plant, production

Ōamishirasato

JP

Quartz sand mining operation for raw material supply

Materials
Quartz sand

Industries

Architectural glass/building materialsAutomotive/mobilityElectronics/displaysSemiconductorsChemicalsLife sciences/pharmaceuticalsCeramics/refractoryEnergy/solarTelecommunicationsAerospaceChemicals (chlor-alkali, fluorochemistry)Life sciences/pharmaceuticals (CDMO)Ceramics/refractory materialsTelecommunications (5G, glass antennas)

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Flat glass production by the float processCasting––––Flat glass, Alkali-free glass, Specialty glass
Glass melting and forming processCasting––––Glass
Flat glass production by the Belgian hand-blown cylinder methodCasting––––Glass
Hot forming (bending/press forming)Forming––––Glass
Air-cooled toughening (thermal tempering)Heat treatment––––Glass
Chemical strengthening (ion exchange)Surface––––Chemically strengthened specialty glass, Dragontrail®
Laser processingMachining––––Glass
Machining (edge processing, drilling)Machining––––Glass
PolishingMachining––––Glass
EtchingSurface––––Glass
Plasma treatmentSurface––––Glass
3D printingAdditive––––Glass
Lamination and integrated molding of glass and resinJoining––––Glass, Resin
PVD (sputtering) coatingSurface––––Glass, Resin film
CVD coatingSurface––––Glass, Resin film
Wet coating / roll-to-roll coatingSurface––––Glass, Resin film
Fluoropolymer film extrusionPlastics––––PTFE, Fluoropolymer, Fluon®
Thermal laminationPlastics––––Fluoropolymer film
Injection molding (glass-resin integration)Plastics––––Resin, Glass
Pharmaceutical API manufacturing (CDMO, GMP)Engineering––––Pharmaceutical APIs
Bioprocess (microbial and mammalian cell culture, protein manufacturing)Engineering––––Proteins, Biopharmaceuticals
Salt electrolysis (caustic soda and chlorine production)Engineering––––NaCl, Caustic soda

4 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Microbial culture vesselAGC–––AGC Bioplant Chiba
Single-use mammalian cell culture vesselAGC Biologics–––Seattle
Reaction vesselAGC Pharma Chemicals Europe––––
Microbial culture vessel (pDNA)AGC Biologics–––Heidelberg

Additional services

CDMO: process development & contract manufacturing for synthetic active ingredients, agrochemicalsFinishing/processing of glass (thermal tempering, chemical tempering, coating, composite withCoating technologies (PVD/CVD)GMP manufacturing of pharmaceutical active ingredientsBioprocess development (cell culture, fermentation)R&D collaborations / research collaborationPlanning and construction of glass furnaces and industrial furnaces (ceramics/refractory materials

History

  1. 1907

    Founding of Asahi Glass Co. in Amagasaki, Hyogo

  2. 1909

    Start of Japan's first industrial flat glass production

  3. 1914

    First export of flat glass to Great Britain

  4. 1917

    Relocation of company headquarters to Tokyo; own soda production

  5. 1937

    Listing on the Tokyo Stock Exchange

  6. 1956

    Entry into mass production of automotive glass

  7. 1966

    Start of float glass production

  8. 1975

    Development of the Flemion ion exchange membrane electrolysis

  9. 1981

    Acquisition of Glaverbel (Belgium), market entry in Europe

  10. 1995

    Start of TFT-LCD glass substrate production

  11. 2007

    Unification of the group brand to AGC on the occasion of the 100th anniversary

  12. 2011

    Launch of sales of the chemically tempered glass brand Dragontrail

  13. 2016

    Acquisition of the CDMO company Biomeva GmbH (Germany)

  14. 2017

    Start of production of EUV photomask blanks

  15. 2018

    Renaming of Asahi Glass Co. to AGC Inc.; integrated operation of the biologics businesses as AGC Biologics

  16. 2020

    Development of the glass antenna WAVEATTOCH for 5G base stations

  17. 2021

    Launch of the management strategy AGC plus 2.0

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