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May. |
1957 |
Shigetoshi Yamamoto founded Yamamoto Store and started to buy, sale, produce and refine of precious ground metals |
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Jul. |
1976 |
Renewal of the organization to Yamamoto Precious Metal Co., Ltd. |
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Sep. |
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Acquisition of the license for manufacture and sale of dental precious alloy |
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May. |
1978 |
Increase of the capital to 10 million yen |
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Mar. |
1980 |
Admission to Japan Gold Metal Association |
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Jan. |
1983 |
Admission to Japan Dental Materials Manufacturers Association |
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Aug. |
1986 |
Establishment of Tokyo Business Office |
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Jul. |
1990 |
Started construction of new factory at Otani industrial area in Kochi
Establishment of refinement department at Kochi Factory |
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Jul. |
1991 |
The first Kochi Factory opened |
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Apr. |
1992 |
Establishment of Tokyo Branch Office |
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May. |
Increase of the capital to 50 million yen |
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Apr. |
1993 |
Completion of the second factory and new office in Kochi
Expansion of the head office |
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Jul. |
1994 |
Relocation of Tokyo Branch Office |
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Nov. |
Establishment of Yokohama and Nagoya Business Office |
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Jun. |
1995 |
Establishment of the Analysis Lab in Kochi |
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Oct. |
Acquisition of the admission of the Small and Medium Enterprise Promotion Law by the Ministry of International Trade and Industry |
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Apr. |
1996 |
Renew of the main sales department to Osaka Branch Office |
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Mar. |
1997 |
Completion of the third factory and the first R&D Center in Kochi |
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Sep. |
Establishment of Fukuoka Business Office |
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Oct. |
Establishment of Hybrid Lab in Kochi |
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Feb. |
1998 |
Acquisition of the re-admission of Small and Medium Enterprise Promotion Law |
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Jul. |
1999 |
Relocation of Tokyo Branch Office |
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Jan. |
2000 |
Winning of Small and Medium Enterprises Research Center prize |
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Feb. |
Establishment of Sendai Business Office |
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Oct. |
Establishment of Nagoya Branch Office |
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Apr. |
2001 |
Start of Kochi manufacturing factory |
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May. |
|
Release of ZEO CE LIGHT, metal bond ceramics for dental use |
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Mar. |
2002 |
Awarded for contributions to industry and technology in Shikoku region |
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Apr. |
Establishment of new Tokyo and Fukuoka Branch Offices |
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Jun. |
2003 |
Obtained ISO 9001 and ISO 13485 certification
Obtained CE marking certification and released ZEO CE LIGHT in Europe |
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Jul. |
2005 |
Obtained Biological Science Safety Laboratory in Kochi University |
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Jan. |
2006 |
Released import products, Smile Line |
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Aug. |
Started construction of Melting Factory in Kochi |
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Nov |
Completion of Melting factory to enhance equipments for precious metal manufacturing/processing
Released second PFM brand, ZEOQUICK |
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Jul. |
2007 |
Establishment of Tokyo East / West Branch Offices |
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Mar. |
2008 |
Luna-Wing awarded as 22nd Kochi Prefecture Regional industry Award |
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Apr. |
Approved as Sophistication of Basic Manufacturing Technology of Small and Medium Enterprises
- 'Development of a new synthesis method of fine platinum group rare metal alloy powders for auto parts' |
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Jun. |
Adopted as Regional Innovation Creation R&D Project
- 'Development of a new synthesis method of fine platinum group alloy powders by using molten salts as reaction media' |
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Dec. |
Obtained ISO 14001 certification |
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