| 1938-11-01 |
Founded on November 1, Showa 13. |
| 1969-04 |
April 1969 (Showa 44): Atsuhisa Kuraji established Kuraji Tile Trading Company |
| 1969-04 |
Kura Ji Atsuhisa established Kura Ji Tile Shop. |
| 1973-10-13 |
Established on October 13, 1973 |
| 1991-01-17 |
Established on January 17, Heisei 3. |
| 1999-02-18 |
Established on February 18, Heisei 9. |
| 2000 |
Established in September of Heisei 13. |
| 2001-09 |
September 2001 (Heisei 13): Transitioned from Kuraji Tile Trading Company to a corporation and established Hikari Craft Co., Ltd. |
| 2001-09 |
Organized from Kura Ji Tile Shop to a corporation and established Hikari Craft Co., Ltd. |
| 2004-11 |
November 2004 (Heisei 17): Takeshi Kuraji appointed as CEO of Hikari Craft |
| 2004-11 |
Takeshi Kura Ji became the representative director of Hikari Craft. |
| 2006-04 |
April 2006 (Heisei 18): Takeshi Kuraji merged Group by acquiring Nobel Stone Japan Co., Ltd. |
| 2006-04 |
Takeshi Kura Ji consolidated with Novelstone Japan Co., Ltd. through M&A. |
| 2006-06 |
June 2006 (Heisei 18): Takeshi Kuraji established Net Co., Ltd. |
| 2006-06 |
Takeshi Kura Ji established Net Co., Ltd. |
| 2007-03-19 |
Established on March 19, Heisei 19. |
| 2009 |
Started new business development from September of Heisei 21. |
| 2009-09 |
September 2009 (Heisei 21): Hikari Craft opened a new second factory |
| 2009-09 |
Hikari Craft Co., Ltd. newly opened a second factory. |
| 2011-01 |
January 2011 (Heisei 23): Takeshi Kuraji established KZ Craft Co., Ltd. |
| 2011-01 |
Established in January of Heisei 23. |
| 2011-01 |
Takeshi Kura Ji established K's Craft Co., Ltd. |
| 2012-05 |
May 2012 (Heisei 23): Hikari Craft opened a new third factory |
| 2012-05 |
Hikari Craft Co., Ltd. newly opened a third factory. |
| 2015-09 |
September 2015 (Heisei 27): Established Hikari Holdings Inc. to unify group companies |
| 2015-09 |
Established Hikari Holdings Co., Ltd. to unify group companies |
| 2016-03 |
March 2016 (Heisei 28): Grouped Try Co., Ltd. through M&A |
| 2016-03 |
Grouped Try Co., Ltd. through M&A |
| 2016-11 |
November 2016 (Heisei 28): Established Stone Free Co., Ltd. (now CI'S Innovations) |
| 2016-11 |
Established Stone Free Co., Ltd. (now CI'S Innovations Co., Ltd.) |
| 2018-05 |
May 2018 (Heisei 30): Listed on Tokyo Stock Exchange TOKYO PRO Market |
| 2018-05 |
Listed on the Tokyo Stock Exchange TOKYO PRO Market |
| 2019-02 |
February 2019 (Reiwa 1): Grouped Ceramic One Co., Ltd. through M&A |
| 2019-02 |
Grouped Ceramic One Co., Ltd. through M&A |
| 2019-09 |
September 2019 (Reiwa 1): Grouped Smart Brick Co., Ltd. through M&A |
| 2019-09 |
Grouped Smart Brick Co., Ltd. through M&A |
| 2020-02 |
February 2020 (Reiwa 2): Acquired business from Miyagawa Co., Ltd. and established Miyagawa Tokyo Co., Ltd. |
| 2020-02 |
Received business transfer from Miyagawa Co., Ltd. and established Miyagawa Tokyo Co., Ltd. |
| 2020-02-25 |
Board resolution date: February 25, 2020 |
| 2020-03 |
March 2020 (Reiwa 2): Established Hikari Holdings Inc. headquarters |
| 2020-03 |
Established Hikari Holdings Co., Ltd. headquarters |
| 2020-03-28 |
Contract signing date: March 30, 2020 (scheduled) |
| 2020-03-28 |
Business transfer date: March 30, 2020 (scheduled) |
| 2020-12 |
December 2020 (Reiwa 2): Established Tokyo branch in Shinagawa-ku, Tokyo |
| 2020-12 |
Established Tokyo branch in Shinagawa Ward, Tokyo |
| 2021-02 |
February 2021 (Reiwa 3): Try Co., Ltd. merged with Kobayashi Industries Co., Ltd. through M&A |
| 2021-02 |
February 2021 (Reiwa 3): Ceramic One Co., Ltd. merged with Honda Group Co., Ltd. through M&A |
| 2021-02 |
Grouped Kobayashi Industries Co., Ltd. by Try Co., Ltd. through M&A
Grouped Honda Corporation Co., Ltd. by Ceramic One Co., Ltd. through M&A |
| 2021-09 |
In September 2021 (Reiwa 3), the group reorganized its structure, and Ceramic One Co., Ltd. was grouped with CF Novelstone Co., Ltd., Miyagawa Tokyo Co., Ltd., Smart Brick Co., Ltd., and Honda Corporation. Net Co., Ltd. and Try Co., Ltd. merged and changed their company name to M8I Co., Ltd. Hikari Craft Co., Ltd. became a holding company for K's Craft Co., Ltd. |
| 2021-09 |
Reorganized within the group,
Ceramic One Co., Ltd. grouped with CF Noble Stone Co., Ltd., Miyagawa Tokyo Co., Ltd., Smart Brick Co., Ltd., and Honda Corporation Co., Ltd.
Merged Net Co., Ltd. and Try Co., Ltd. and renamed to M8I Co., Ltd.
Hikari Kogei Co., Ltd. became a holding company of K's Craft Co., Ltd. |
| 2022-09 |
In September 2022 (Reiwa 4), Hikari Holdings Co., Ltd. transferred shares from M8I Co., Ltd. and became a holding company for Kobayashi Industries Co., Ltd. |
| 2022-09 |
Hikari Holdings Co., Ltd. acquired shares from M8I Co., Ltd. and became a holding company of Kobayashi Industries Co., Ltd. |
| 2023-06 |
In June 2023 (Reiwa 5), the group was consolidated through M&A of Kiryu Co., Ltd. |
| 2023-06 |
Grouped Kiryū Co., Ltd. through M&A |
| 2023-09 |
In September 2023 (Reiwa 5), the Tokyo branch was relocated to Minami-ku, Saitama City, and the branch name was changed to Kanto Branch. |
| 2023-09 |
Relocated Tokyo branch to Minami Ward, Saitama City, and renamed it Kanto Branch |
| 2025-09 |
In September 2025 (Reiwa 7), Kiryu Co., Ltd. opened Higashi Urawa Connection Base, and M8I Osaka Sales Office was established. |
| 2025-09 |
Established Kiryū Higashi Urawa Connection Base and M8I Osaka Sales Office |
