M.WATANABE & CO.,LTD. Official site

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Company information

"Everything is for the satisfaction of our customers." We accurately respond to the diversifying and complicating needs.

Founded in 1930 as a specialized trading company for imports and exports, we celebrated our 90th anniversary in 2020 and are fully committed to the further development of the M.WATANABE Group. Since the mid-1960s, we have started manufacturing and selling our own products such as quartz processed products, silicone rubber molded products, and cleaning equipment, under the policy of selling silicon (Si) related products to the semiconductor industry. As a manufacturing trading company, we have grown alongside the IT society by providing high-quality products and services. Moving forward, we aim to create a company where employees of the group companies, centered around M.WATANABE & CO.,LTD., work vibrantly every day, and the entire workplace becomes a learning organization. We are determined to continue striving in all our business endeavors with a strong will to respond to the true needs of society. We sincerely ask for your continued support and patronage.

Business Activities

【Related Manufacturing Departments】 ● WACOM MANUFACTURING CO., LTD. Quartz glass products (ASM Epsilon quartz components, various processed products), silicone rubber products, components for semiconductor equipment, carriers for wrapping and polishing. ● TOMCO MFG.,LTD. Wafer transfer machines, IPA vapor drying equipment, parts regeneration cleaning, parts processing. ● AMAYA CO.,LTD Atmospheric CVD equipment, MO-CVD equipment, photomask cleaning equipment. 【Environmental Related】 Solar-grade Si wafers, separator & cleaning systems, wire soak coolant recovery systems, cerium oxide recovery systems, slurry recycling systems, IPA recycling systems, water quality analyzers, inorganic coagulant oil floc. 【Materials and Components Related】 Covalent Materials Co., Ltd. products (quartz glass, SiC, carbon), fine ceramics, machinable ceramics, various filters, other consumable parts for semiconductor equipment, silicone resins, refractory materials, various heater-related products.

Company overview

  • Company name M.WATANABE & CO.,LTD.
  • Establishment July 1952
  • capital 8000Ten thousand yen
  • number of employees 66person
  • Address 〒103-0022 Tokyo/ Chuo-ku/ 2-16, 4-chome, Nihonbashi-Muromachi, View on map
  • TEL 03-3241-5231
  • FAX 03-3241-5208

Business Locations (6)