History
| 1952 | Shinto Scientific Co., Ltd. founded in Kanda-higashi-konyacho in Tokyo�fs Chiyoda Ward. Manufacturing business started at Nakano Works in Takada in Tokyo�fs Nakano Ward. |
| 1956 | New headquarters building completed in Kanda-higashi-konyacho in Tokyo�fs Chiyoda Ward. |
| 1965 | Nerima Factory completed in Nukui in Tokyo�fs Nerima Ward. |
| 1966 | �gThree-One Motor�h agitators created for laboratory use. |
| 1969 | Ochiai Industrial Machinery Department established in Kamiochiai in Tokyo�fs Shinjuku Ward. |
| 1972 | Tester Division established. Service Labo established in Kanda-higashi-matsushitacho in Tokyo�fs Chiyoda Ward. |
| 1976 | Capital increased to 10,080,000Yen. |
| 1977 | Manufacturing of Surface Property Testers started at Ochiai Industrial Machinery Department. |
| 1979 | Laboratory established in Kanda-konyacho in Tokyo’s Chiyoda Ward. |
| 1980 | Increased capital to 15,120,000Yen. |
| 1982 | “Heidon” trademark registered. |
| 1985 | Sales Department and Service Labo transferred to Iwamotocho in Tokyo’s Chiyoda Ward. |
| 1986 | Service Labo Osaka established in Yodogawa Ward in Osaka. |
| 1989 | Iruma Factory completed in Iruma City, Saitama. |
| 1990 | Certified as Excellent Tax Declaration Company by Kanda Tax Office. |
| 1991 | Company funeral held after passing of Senior Managing Director Shigeko Nomura. Corporate Identity project introduced. |
| 1992 | 5-day working week system introduced throughout. 40th anniversary of company founding. Increased capital to 30,240,000Yen. |
| 1994 | Tokyo Sales Office completed in Nukui in Tokyo�fs Nerima Ward. |
| 1995 | Osaka Sales Office established in Osaka�fs Kita Ward. |
| 1996 | Website established. “Heidon Virtual Office” CD-ROM produced to introduce the company’s products. Tribogear registered as a trademark. |
| 1998 | Increased capital to 45,240,000Yen. |
| 2000 | Appointed Masahisa Nomura as president and Masuhei Nomura as chairman. |
| 2002 | 50th anniversary of company founding |
| 2004 | Company funeral held after passing of Chairman Masuhei Nomura. |
| 2005 | Transferred to Ogose Factory in Ogose-machi in Iruma City, Saitama Prefecture. Logo mark changed. |
| 2006 | Sales Department transferred to Higashi Kanda in Tokyo’s Chiyoda Ward. Established Showroom in Nihonbashi-bakurocho in Tokyo’s Chuo Ward. |
| 2008 | ISO certification acquired by Ogose Factory and Sales Department. |