Overview and History of the Company
Overview
| Company Name | Resonac Ceramics Corporation |
|---|---|
| Establishment | November 20, 1985 |
| President | Naoya Takahashi |
| Fiscal year end | December |
| Capital | 460 Million Yen (As of January 4, 2024) |
| Number of Issued Shares | 9,200 Shares (As of January 4, 2024) |
| Shareholder | Resonac Co.,Ltd. |
| Employees | 339 (As of January 2024) |
| Executive Officers (As of April 1, 2024) |
Representative Director Naoya Takahashi (Part Time) Director Takayoshi Komiya (Part Time) Director Kazuhiro Kitayama (Part Time) Audit & Spervisory Board Member Ikuo Shigematsu (Part Time) |
| Locations | Head Office / Shiojiri Plant Address : 1 Soga, Shiojiri-shi, Nagano Prefecture 399-6461, Japan Employees : 139 (As of January 2024) Area : 300,000㎡ Toyama Plant Address : 3-1 Nishinomiya-machi, Toyama-shi, Toyama Prefecture 931-8577, Japan Employees : 139 (As of January 2024) Area : 210,000㎡ Yokohama Plant Address : 8 Ebisu-cho, Kanagawa-ku, Yokohama-shi, Kanagawa Prefecture 221-8517, Japan Employees : 61 (As of January 2024) Area : about 140,000㎡ (Note 1) Note 1 : Site area of Resonac Yokohama office. |
| Business Activities | Production and sale of abrasives, refractory materials, ultra high pressure products, fine ceramic compacts, filler materials, titanium dioxide, and abrasives for glass. |
History of the Company
| Operation History | Product History | |
| 1932 |
Established Shiojiri Plant, Nihon Iodine K.K. Head Office & Shiojiri Plant |
|
| 1933 |
Established Nippon Alumina Works. Yokohama PlantEstablished Nichiman Aluminum Co., Ltd. Toyama Plant |
Production of alumina started. Yokohama PlantProduction of silicon carbide (C/GC) started. Head Office & Shiojiri PlantProduction of aluminum started. Toyama Plant |
| 1934 |
Production of Morandam (A) started. Head Office & Shiojiri Plant |
|
| 1938 |
Switched entirely to bauxite as the raw material for alumina. Yokohama PlantProduction of fused alumina (WA) started. Head Office & Shiojiri Plant |
|
| 1939 |
Established Showa Denko K.K. Head Office & Shiojiri PlantYokohama Plant |
|
| 1943 |
Merged with Showa Denko K.K. and became the Toyama Plant of Showa Denko K.K. Toyama Plant |
|
| 1950 |
Completion of Akamatsu Power Plant (hydroelectric). Head Office & Shiojiri Plant |
|
| 1958 |
Commercialized aluminum hydroxide (H-W). Yokohama Plant |
|
| 1959 |
Production of high carbon ferro-chromium started. Toyama Plant |
|
| 1969 |
Production of high carbon ferronickel started. Toyama Plant |
|
| 1970 |
Named aluminum hydroxide as “Higilite.” |
|
| 1978 |
Production of cubic boron nitride abrasive grains (SBN) started started. Head Office & Shiojiri Plant |
|
| 1979 |
Company name changed to Toyama Showa Denko K.K. Toyama Plant |
|
| 1982 |
Production of high-purity alumina (UA) started. Yokohama PlantProduction of thermal spray materials (PSP) started. Head Office & Shiojiri Plant |
|
| 1983 |
Production of fused silica and sponge titanium started. Toyama Plant |
|
| 1985 |
Company name changed to Toyama Showa K.K. Toyama Plant |
Production of cubic boron nitride sintered bodies (SBN K-TIP) started. Head Office & Shiojiri Plant |
| 1987 |
Production of alumina beads (Alna Beads) started. Toyama Plant |
|
| 1988 |
Company name changed to Showa Titanium Co., Ltd. Toyama Plant |
Production of high purity titanium dioxide started. Toyama Plant |
| 1990 |
Production of rounded alumina (AS) started. Yokohama Plant |
|
| 1994 |
Entrusted to produce air separation units. Toyama Plant |
|
| 2000 |
Production of titanium oxide for photocatalysts (Jupiter NTB) started. Toyama Plant |
|
| 2003 |
Established Lianyungang Zhaoling Abrasives Co., Ltd. in China. Head Office & Shiojiri Plant |
|
| 2007 |
Entrusted to produce cerium oxide (SHOROX). Toyama Plant |
|
| 2014 |
Established Showa Denko Ceramics Co., Ltd. Head Office & Shiojiri PlantCompany name changed to Showa Denko Ceramics Co., Ltd. Merged with Tohoku Metal Chemical Co., Ltd. Toyama Plant |
Consolidated cerium oxide (SHOROX) production in Toyama. Toyama Plant |
| 2015 |
Established Showa Denko Ceramics Co., Ltd. Yokohama Plant. Yokohama Plant |
|
| 2023 |
Company name changed to Resonac Ceramics Corporation. Head Office & Shiojiri PlantToyama PlantYokohama Plant |










