| 1905 |

- Masujiro Mizuno founded Mizunokankudo, predecessor of Hoyu, to manufacture and sell home medicine.
|
| 1921 |

- Released hair dye, Shiraga-zome Genroku.
|
| 1923 |
- Established Hoyu Shokai Co. Ltd.
- Masujiro Mizuno was inaugurated as the president.
|
| 1957 |

- Released powder-type hair dye, "Bigen".
|
| 1959 |

- Founder Masujiro Mizuno passed away. Mr. Kimpei Mizuno was inaugurated as the Second President of the Company.
|
| 1961 |
- Constructed Nagakute Factory in Nagakute-cho, Aichi Prefecture.
|
| 1962 |

- Developed "Haarel Wave Hair Color" based on new hair dye theory.
|
| 1964 |

- Changed the company name to HOYU CO. LTD.
|
| 1971 |

- Released "Bigen Hair Color", low-cost and natural-color hair dye.
|
| 1972 |

- Held celebration commemorating 50th anniversary of Hoyu founding.
- Changed the Logo of the company.
|
| 1976 |
- Completed the first section of Seto Factory construction work (Seto City, Aichi Prefecture).
|
| 1984 |

- Released "Bigen Cream Tone", innovative the tube-type hair color, with the Cream Colorant and the Cream Developer.
|
| 1986 |
- Held the first meeting for overseas sales agencies.
|
| 1992 |

- Held celebration commemorating 70th anniversary of Hoyu founding.
|
| 1995 |
- Competed Logistic Center within premises of Seto Factory.
|
| 1997 |

- Mr. Simpei Mizuno was inougurated as the third president and Mr. Kimpei Mizuno as the Chairman of the Board.
Opened Hoyu Technical Academy.
|
| 1998 |

- Introduced "Promaster" brand by Mr. Daniel Galvin into the market.
|
| 1999 |
  
- Released "Beautylabo".
- Introduced Prosystem brand into the market.
- Seto Factory granted ISO14001 Certification.
|
| 2001 |
- Completed Sakuragaoka Factory. (Seto City, Aichi Prefecture)
- Opened the Studio Tokyo of Salon Division.
|
| 2002 |
- Established Hoyu Cosmetics (Suzhou) Co., Ltd. in the People's Republic of China.
- Opened the Studio Osaka of Salon Division.
|
| 2003 |
- Established Hoyu America Co., Ltd. in USA.
- Established Hoyu Cosmetics (Thailand) Co., Ltd. in the Kingdom of Thailand.
|
| 2004 |

- Completed the new head office. (Nagoya City, Aichi Prefecture)
- Established PT Hoyu Indonesia in Indonesia.
|
| 2005 |

- Celebrated the 100th anniversary of foundation.
- Changed the Logo of the company.
- Established Hoyu Singapore Pte. Ltd. in Singapore.
|
| 2006 |
- Involved in the business cooperation with ASGEN Pharmaceutical Co., Ltd.
- The (Our) head office won Chubu New Office Encouraging Prize (Nikkei The Best of New Office 2006).
- Established Hoyu Korea Co., Ltd. in Korea.
|
| 2007 |

- Sakuragaoka Factory granted ISO14001 Certification.
- Established Hoyu Malaysia Sdn. Bhd. in Malaysia.
- Established Taiwan Hoyu Cosmetics Co., Ltd. in Taiwan.
|
| 2008 |

|
| 2009 |

- Press release held on Kracie Group stock acquisition.
- Released "Cielo Mousse Color".
|