| 1947 |
Founded |
| 1954-04-01 |
Started retail, purchase, pawn, wholesale, repair, auction, and overseas businesses at 3-104 Hōrai-cho, Naka-ku, Yokohama, Kanagawa Prefecture, RK Central Building. |
| 1971-05 |
Started selling antique watches, original watches, antique jewelry, etc. at 3-4-17 Ginza, Chuo-ku, Tokyo, Matsuzawa 11th Building. |
| 1979-05 |
Established |
| 2001-02-20 |
Started jewelry purchase and sales business, and digital business (system development, site construction) on the 2nd floor of RT Building, 5-22-4 Ueno, Taito-ku, Tokyo. |
| 2009-08 |
Started sourcing and selling gemstones, precious metals, watches, bags, etc. in Taipei City, Taiwan. |
| 2010-01 |
Started sourcing and selling gemstones, precious metals, watches, bags, etc. in Shanghai, China. |
| 2010-01-11 |
Started wholesale and retail of branded goods at Nathan Road, Tsim Sha Tsui, Hong Kong SAR. |
| 2010-05 |
Started selling apparel, sneakers, etc. on the 2nd floor of 2-26-5 Jingumae, Shibuya-ku, Tokyo. |
| 2013-05 |
Started planning and selling original automotive parts and accessories at 1-1-2 Hirosawa-cho, Nakagawa-ku, Nagoya. |
| 2017-12 |
Started sourcing and selling gemstones, precious metals, watches, bags, etc. in Shanghai, China. |
| 2018-12 |
Started sourcing and selling gemstones, precious metals, watches, bags, etc. in Bangkok, Thailand. |
| 2019-11 |
Started sourcing and selling gemstones, precious metals, watches, bags, etc., and operating auctions in Kanazawa, Ishikawa Prefecture. |
| 2020-05 |
Started sourcing and selling used and new gemstones, precious metals, watches, bags, apparel, kimonos, cameras, instruments, etc. at 3-25-31 Osu, Naka-ku, Nagoya. |
| 2022-12 |
Started sourcing and selling gemstones, precious metals, watches, bags at Orchard Road, Singapore. |
| 2023-09-13 |
Started cleaning, light work, and contracting services for Komehei Holdings Group companies at 3-25-31 Osu, Naka-ku, Nagoya, Aichi Prefecture, Japan. |
| 2024-04 |
Started brand and fashion business, overseeing Asian overseas business companies, and establishing a product center function for overseas business at Tsim Sha Tsui, Kowloon, Hong Kong SAR. |
| 2024-04 |
Started sourcing and selling gemstones, precious metals, watches, bags in Kuala Lumpur, Malaysia. |
| 2024-07 |
Started sourcing and selling jewelry, precious metals, watches, and bags in New York State, USA. |
| 2026-02-27 |
Started sourcing and selling jewelry, precious metals, watches, and bags in the Manila metropolitan area, Philippines. |