History
| 1958 | Yukio Kakizawa established a limited company “Raiho Kogyo” at Todoroki, Setagaya-ku, Tokyo. Started production and sale of vacuum tube parts. |
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| 1959 | Expanded the business into international trade with companies in the United States and also enlarge the sales channels into both domestic and foreign manufacturers of vacuum tube such as cathode-ray tube and vacuum tube lead. |
| 1968 | Moved head office to 847 Unane, Takatsu-ku, Kawasaki-shi, Kanagawa, Japan. |
| 1970 | Changed company name to Raiho Kogyo Co., Ltd. |
| 1976 | Started production of cathode-ray tube electron gun as a subcontract factory of NEC Corporation and continued until 1991. |
| 1986 | Made an agreement for agency with Toshiba Corporation. (The name was changed to Toshiba Business Partner in 1999) |
| 1989 | Akira Nakamura became a CEO. |
| 1991 | Increased the import and export of cathode-ray tube parts with Korean manufacturers in order to expand business operations. |
| 1996 | Started trading with manufactures in Taiwan to export cathode-ray tube parts and import and sell their connecting cables for business machines. |
| 1997 | Started trading with NEC Mobile Energy Corporation in lithium-ion secondary battery parts. |
| 2003 | Sold electrode manufacturing equipments for cold-cathode tube to manufacturers in Korea. |
| 2005 | Became a Sony Green Partner. |
| 2006 | Started importing and selling of mobile phone products as new merchandise. |
| 2007 | Expanded the variety of mobile devices and sales channels. |
| 2009 | Hiroshi Kakizawa became a CEO. |
| 2010 | Started selling of electric power tool and switch parts as new products. |