Hoya Corporation, commonly referred to as Hoya, is a leading global player in the medical, precision, and optical instruments industry, with its headquarters located in Tokyo, Japan. Founded in 1941, Hoya has established itself as a pioneer in the development of innovative optical products, including eyeglass lenses, contact lenses, and advanced medical devices.
With a strong presence in Asia, Europe, and the Americas, Hoya excels in providing high-quality solutions that cater to diverse customer needs. The company is renowned for its cutting-edge technologies in optical manufacturing and healthcare, which have positioned it as a trusted name in the industry. Notable achievements include significant advancements in digital imaging and the production of precision optical components, solidifying Hoya's market position as a leader in both the optical and medical sectors.
+25 vs industry average
Hoya’s score of 52 is higher than 69% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Medical Device Manufacturing has typical carbon intensity
Industry performance
The Medical Device Manufacturing industry has reduced its overall emissions by 18% since 2019
Emissions trajectory 2020 – 2028
Reported emissions
Scope 3 accounts for ••• of total emissions.
Hoya's reported carbon emissions
Hoya's climate commitments include a "Committed" status for near-term targets as of August 2025, according to the Science Based Targets initiative (SBTi). The company, headquartered in Japan and operating in the medical, precision and optical instruments, watches and clocks industry, has provided global emissions data spanning from 2014 to 2025. For the most recent reporting year, 2025, Hoya reported total calculated emissions of approximately 2.92 billion kg CO2e. This figure is comprised of approximately 17 million kg CO2e for Scope 1, approximately 469 million kg CO2e for Scope 2 (location-based), and approximately 2.54 billion kg CO2e for Scope 3. Within Scope 3, the largest contributors were processing of sold products (approximately 1.12 billion kg CO2e) and purchased goods and services (approximately 920 million kg CO2e). In 2024, Hoya's reported Scope 1 emissions were approximately 11 million kg CO2e, and Scope 2 emissions were approximately 447 million kg CO2e (location-based). Scope 3 data for 2024 was incomplete, with purchased goods and services noted as a missing data point. For 2023, total calculated emissions for Hoya were approximately 600 million kg CO2e. Scope 1 emissions were approximately 13 million kg CO2e, and Scope 2 emissions were approximately 470 million kg CO2e (location-based). Key Scope 3 categories reported for this year included purchased goods and services at approximately 567 million kg CO2e. Between 2014 and 2022, Hoya's Scope 1 and 2 emissions ranged from approximately 373 million kg CO2e to approximately 522 million kg CO2e. During these years, Scope 3 emissions data was not consistently disclosed or was marked as missing. The company has made efforts to report emissions across Scopes 1, 2, and 3 in recent years, with increasing detail in Scope 3 categories.
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Hoya’s Climate Goals (2030 & 2050)
No climate goals have been disclosed for Hoya yet.
Scope 3 top emissions categories
12 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives

Science Based Targets Initiative

Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Common questions about Hoya’s sustainability data and climate commitments
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