History

1919-2012

History of the HOYA Group(Formerly) Asahi Kogaku/PENTAX/
New Ceramics Business History
History of Japan Unitech Corporation
1938

Established as Asahi Optical Co., Ltd.

1944

■ August

The plant was incorporated with a capital of 1.2 million yen.

1945

■ October

HOYA launched crystal products.

1952

■ February

Resumed production of BK7 optical glass.

Launched the first domestically-produced 35mm single-lens reflex camera, the Asahiflex I.

1954

Launched the Asahiflex II, with a proprietary ‘quick return mirror’ mechanism.

1957

Launched the Asahi Pentax, a single-lens reflex camera featuring a pentaprism.

1960

■ November

Established Showa Plant at Akishima City, Tokyo (currently Akishima Plant).

1961

■ October

HOYA was listed on the Second Section of the Tokyo Stock Exchange.

1962

■ May

Started manufacturing lenses for eyeglasses.

1964

Launched the Asahi Pentax SP, a single-lens reflex camera featuring TTL metering.

1967

■ April

Launched progressive multifocal lenses.

Opened the first camera museum among Japanese manufacturers in Nishiazabu, Tokyo (now closed).

1968

Established a plant in Mashiko, Tochigi Prefecture.

1969

Launched medium format single-lens reflex cameras.

1971

PENTAX was listed on the First Section of the Tokyo Stock Exchange.

1972

■ December

HOYA started sales of soft contact lenses.

1973

■ February

The Company listed on the First Section of the Tokyo Stock Exchanges.

View history from 1974 to 2012
History of the HOYA Group(Formerly) Asahi Kogaku/PENTAX/
New Ceramics Business History
History of Japan Unitech Corporation
1974

■ January

Nagasaka Plant (Hokuto City, Yamanashi Prefecture) was established. HOYA started manufacturing mask substrates for semiconductors and announced the HOYA Online System (for ordering and receiving eyeglass lenses).

■ October

Started research on apatite ceramics.

1977

■ March

Started research into the practical application of apatite ceramics, which was commissioned by the New Technology Development Corporation.

1983

■ January

Established Hachioji Plant (Hachioji City, Tokyo) and started manufacturing photomasks for semiconductors.

1984

■ March

Launched Japan’s first apatite bone replacement material, Apaceram Artificial Ear Ossicles and Bone Replacement Material.

1985

■ July

Japan’s first apatite bone replacement material, “Apaceram Artificial Ear Bone and Bone Replacement Material,” has been launched.

1986

■ October

Established R&D Center building in Akishima.

■ April

Launched liquid chromatography columns.

1987

■ June

Launched intraocular lenses (IOLs) as well as aspherical molded-glass lenses.

1989

■ April:
Established HOYA Holdings N.V. in the Netherlands and HOYA Corporation USA to reinforce global management.

■ April

Launched columns for cell separation.

1991

■ March

Launched glass disks for HDDs.

■ December

Launched the mask “Virus Guard.”

1992

■ January

Obtained Ministry of Health approval for manufacturing the thoracolumbar plate ‘MH Plate System.’

■ April

Launched foot sprays “Karen” and “ZETS.”

■ June

Obtained Ministry of Health approval for manufacturing and launched the Apaceram Ventilation Tube, named Apaceram Tube.

■ September

Launched the MH Plate System, a thoracolumbar spine plate.

1993

■ May

Launched the mask “Virus Guard E.”

1994

■ September

Launched toothpaste material “Green Wind.”

■ October

Launched the mask “Virus Guard D.”

1996

■ November

Established a new Kumamoto plant in Ozu-machi, Kikuchi-gun, Kumamoto Prefecture.

■ April

Launched the wound dressing “Apatach Kizu-Ate-kun.”

■ October

Launched the mask “Virus Guard 99.”

2000

■ August

Mashiko plant started operation.

■ September

Japan Unitech was established at Shinjuku, Tokyo.

2001

■ May

HOYA launched HOYALUX Summit Pro and NuLux lenses using EYRY, a high-index plastic lens material.

■ October

HOYA started manufacturing soft intraocular lenses.

■ April

Launched the UNICORN nail implants, medical materials for femoral neck fractures.

2002

■ May

HOYA started production and sales of 3C-SiC, a new semiconductor substrate material.

Its name changed to Pentax Co., Ltd.

■ May

Launched the Unitech CHS system.

2003

■ April

Launched the Surgical Deflecting Loupe, which can be used in a forward-facing posture.

■ June

Launched the “CELLYARD” series of cell culture carriers.

■ September

Launched the Dengue Virus IgM Antibody Detection Kit.

2004

■ March

Announced a basic agreement to acquire the biomaterials division of Mitsubishi Materials Corporation.

■ October

Pentax merged with the biomaterials division of Mitsubishi Materials Corporation. The calcium phosphate paste “Biopex-R” was added to the product lineup, further expanding our business as an artificial bone manufacturer.

■ September

Started sales of the Unitech Tube Plate System.

■ October

Started sales of the Unitech Distal Radius Plate System, “Stellar.”

■ November

Opened the Niigata Sales Office.

2005

■ February

Opened the Distribution and Techno Center in Warabi, Saitama.

■ April

Opened the Fukuoka Sales Office.

2006

■ December

The company announced a basic agreement to integrate operations with PENTAX Corporation.

■ June

Launched Apaceram-AX, a bone graft material made of ultra-high porosity hydroxyapatite.

■ April

Opened the Osaka branch.

2007

■ August

New Ceramics Division started sales of ‘Surgical Deflecting Loupes.

■ June

ISO 13485 certification.

■December

Started sales of advanced bipolar forceps (insulated type).

2008

■ March

HOYA and PENTAX merged. The company further expanded its business as an optical manufacturer by adding the medical field such as endoscopes and the imaging field such as cameras and lens modules.

■ November

Relocated the head office to Yotsuya, Shinjuku-ku, Tokyo.

2009

■ September

Launched Biopex-R Quick, a calcium phosphate bone paste that hardens rapidly after in vivo implantation.

2010

■ July:
Launched Superpore, an absorbent bone regeneration material made of beta-type tricalcium phosphate with a uniform triple pore structure.
Launched Biopex-R Advance, a calcium phosphate bone paste that reaches maximum strength at an early stage.

2011

■ October:
Launched the PRISMVUE NF2, a custom-made loupe that can be worn over glasses.

■ April

Established the Uenohara Plant in Yamanashi Prefecture.

■ May

Launched sales of the Unitech Stella II distal radius plate system.
Launched ARHS, Unitech’s CHS system.

Launched the Unitech CHS System “ARHS.”

■ July

Started sales of the Unitech CHS Systems, “Twins” and “Gemini.”

2012

■ May

Acquired all issued shares of Japan Unitech Co., Ltd.

■ July:
Galileo model deflector loupe “USYFITVUE GP1” launched.

■ August:
Launched the “PRISMVUE NF3,” a binocular loupe that can be adjusted to the user’s optimal state.

■ September

Closed the Distribution and Techno Center.

2013–present

2013

■ April:
Launched ReFit, a sponge-like bone graft material made from an apatite-collagen complex.

■ October:
The New Ceramics Division of HOYA Corporation was transferred to Japan Unitech Co., Ltd. through a company split (absorption-type split). The company name was then changed to HOYA Technosurgical Co., Ltd.

■ February

Started sales of a plate system for lower leg bones.

■ May

Started sales of Unicorn Nail and 4.0/5.0 cannulated screw sets.

■ September

Obtained a sales and lease license for highly controlled medical devices at the Uenohara Plant.

HOYA Technosurgical
2014

■ April

Launched Biopex Long, a bone replacement material with extended working time.

■ October

Launched β-TCP “SUPERPORE EX” with the highest strength ever achieved.

Opened a branch office in Hiroshima.

2015

■ March

Launched the HTS Clavicle Plate System.

■ April

Insurance reimbursement pricing applied to the Oblique Locking Hip Screw System.

■ May

Launched BIOPEX Excellent, a bone replacement material that hardens and develops strength quickly after intravitreal implantation.

■ October

Launched CRANIOFIT, a custom-made thin titanium alloy plate made by 3D laminated molding.

2016

■ June

Opened a branch office in Kanazawa.

■ November

Launched “CranioFit-PE,” a custom-made artificial bone made of ultra-high molecular weight polyethylene, known for its high toughness and resistance to breakage.

Established the Distribution Center in Akishima City.

2017

■ January

Launched the Kepler model direct-view loupe “USYFITVUE SP1.”

2018

■ November

Launched the “PRISMVUE NF5,” a loupe with a temple bar.

2019

■April:
Launched the Twins “Twins2 Plate System,” metallic implants for bone fixation.
■October:
Launched “Apaceram-AX Dental” and “ReFit Dental,” bone graft materials for dental use.
Opened the Takamatsu Branch Office.

2020

■April:
Launched the CranioFit series (HA/PE/Ti), a custom-made bone graft material for cranial surgery.
■ July
Launched the HTS Stellar Plate System (HTS StellarP/HTS StellarD), metallic implants for bone fixation.