Corporate Profile
| Company Name | Tomiyama Pure Chemical Industries, Ltd. |
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| Head Office | Nihonbashi Honcho Square, 1-2-6, Nihonbashi-Honcho, Chuo-ku, Tokyo 103-0023, Japan |
| President | Hideaki Toki |
| Establishment | June 25, 1946 |
| Capital | 151.5 million yen |
| Number of Employees | 129 (as of November 2024) |
| Locations |
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| Belonging Group |
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| Business Activities | Development, manufacture and sales of high-purity chemicals |
Corporate History
We, at Tomiyama Pure Chemical Industries has been meeting the demand of the market based on manufacturing of "High-purity chemicals" and synthesis/purification/analytics technologies build since the establishment in 1946 for more than half a century as a manufacturer of Reagent for Ammonium salts.
Today, we have gained trust of not only domestic, but also of a wide range of overseas users in the areas of chemicals for electrolytic capacitors "CAPASTE™" "CAPLYTE™", chemicals for solid electrolytic capacitors "SOLICOND™", chemicals for functional capacitors "FUNCHEM™", organic electrolyte for Lithium batteries "LIPASTE™", chemicals for optronics related glass base material and optronics & other high-purity chemicals, and also as reagent manufacturer.
We meet the demand of each customer by ensured quality control and latest technologies, supplying exceedingly pure products with stable quality.
We put much of our effort to gain the trust of customers with such approach described as above. Please continue to support us.
Corporate History
| 1946 | Tomiyama High-purity Chemicals Trading Co., Ltd. was established by the founder Matasaburo Tomiyama |
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| 1947 | Fixed company name as Tomiyama Pure Chemical Industries, Ltd. |
| 1952 | Started commercial production of high-purity chemicals for aluminum electrolytic capacitors |
| 1962 | Constructed Shiki Plant at Fujimi-shi, Saitama Prefecture (Currently known as P&D Center) |
| 1966 | Constructed Japan's first mass-production plant for "refined boric acid." in Shiki Plant |
| 1968 | Received a quality conformance certificate as a supplier for "high-purity boric acid" for PWRs and BWRs (nuclear reactors) designed by WH and GE of the USA. Became the only supplier in Japan |
| 1979 |
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| 1981 |
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| 1982 | Started commercial production of "LIPASTE™" an electrolyte for lithium batteries |
| 1985 | Constructed Okuma Plant at Okuma-cho, Fukushima Prefecture |
| 1988 | Pharmaceutical production was authorized at Okuma Plant. Started commercial production of "pharmacopoeia boric acid" (Okuma Plant) |
| 1989 |
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| 1990 | Set up production line for high purity chemicals for glass base-material for mass production (Okuma Plant) |
| 1992 | Constructed manufacturing plant for electrolyte for lithium batteries (Okuma Plant). Increased production lines. Started commercial production |
| 1994 | Constructed an automated plant for organic electrolyte for aluminum electrolytic capacitors (Okuma Plant) |
| 1996 | Improved automated production lines for electrolyte for lithium batteries to increase capacity |
| 1997 | Set up an automatic multiple plant (Okuma Plant) |
| 1999 | Pharmaceutical production was authorized at Shiki plant. Started commercial production of "pharmacopoeia sodium tetraborate" Obtained a certificate of compliance with the ISO 9002 (head office and Okuma Plant).（Authorized by JCQA） |
| 2000 | Obtained a certificate of compliance with the ISO 9001 in August (for entire company).（Authorized by JCQA） |
| 2002 |
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| 2004 | Built up new building only for analytical dept (Okuma Plant) |
| 2007 | Set up new production facility for dangerous chemicals (Shiki Plant) |
| 2008 | Built up more facilities for FUNCHEM (Okuma Plant) |
| 2009 | Built up new facilities for potassium salt and sodium salt (Okuma Plant) |
| 2010 | Renamed Shiki Plant "P&D center" |
| 2011 |
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| 2012 |
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| 2013 | Built new plant in Kashima Plant ＜Construction Phase 2＞
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| 2014 | Inspection building in Kashima Plant is now called Technical Building |
| 2017 | Okuma plant was closed due to land expropriation of intermediate storage facility maintenance project implemented by the Ministry of the Environment |
Company introduction video
*This video was produced during the tenure of the previous president. As of February 25, 2025, Hiromi Naito serves as the Chairman of the Board.