| 1997-05 |
Kakaku.com was launched in May 1997 by Koichi Makino. |
| 1997-05 |
"Price.com" was established in May 1997 by Mitsuo Makino. |
| 1998 |
Set up a Windows 98 dedicated bulletin board, providing a community space for users to exchange opinions. |
| 1998-09 |
In September 1998, retailers began registering price information directly, and a proprietary system that updates in real time was developed. |
| 1998-09 |
Developed a proprietary system where retailers directly register price information, updated in real time. |
| 2000-03 |
In March 2000, the name was changed from 'PC Price Information' to the current 'Kakaku.com', and a review board linked to all products was established. |
| 2000-03 |
After '¥PC Price Information¥', it became the current name 'Price.com', installing a 'review board' linked to all products. |
| 2000-05 |
In May 2000, the company changed from a limited company to a corporation and changed its name from 'Core Price' to 'Kakaku.com'. |
| 2000-05 |
The company reorganized into a corporation, changing its name from 'Core Price' to 'Kakaku.com'. |
| 2001-12 |
In December 2001, Hikari Akitada was appointed as the company's president and CEO. |
| 2001-12 |
Hikari Akitada, the second president, became the CEO. |
| 2003-10 |
The company was listed on the Tokyo Stock Exchange Mothers in October 2003. |
| 2003-10 |
Listed on the Tokyo Stock Exchange Mothers. |
| 2004-03 |
In March 2004, the headquarters moved from Asakusabashi to Suidobashi. |
| 2004-03 |
Relocated headquarters from Asakusa Bridge to Suidobashi |
| 2005-01 |
In January 2005, the travel review and comparison site "Fort Travel" joined the group. |
| 2005-01 |
The travel review and comparison site operator "Forterabel" joins the group |
| 2006-03 |
The company was listed on the First Section of the Tokyo Stock Exchange and launched the restaurant search and reservation service "Tabelog" and the insurance consulting service "Kakaku.com Insurance". |
| 2006-03 |
Listed on the First Section of the Tokyo Stock Exchange, launched "Tabelog" restaurant search and reservation service, and "Kakaku.com Insurance" consulting for insurance |
| 2006-06 |
Following Akitada, Masaru Tanaka became the third president and was appointed as CEO. |
| 2006-06 |
Akita's successor, third-generation president Minoru Tanaka, assumes the position of representative director |
| 2007-04 |
The comprehensive movie information site "Eiga.com" joined the group, with a planned full share transfer in August 2025. |
| 2007-04 |
The comprehensive movie information site "Eiga.com" joins the group (all shares transferred in August 2025) |
| 2007-10 |
It adopted "Ruby on Rails" for the first time among large domestic sites and carried out a complete renewal. |
| 2007-10 |
Implemented a full renewal adopting "Ruby on Rails" as the first large-scale domestic site |
| 2008-02 |
The launch of new services accelerated, including the photo-sharing site "PHOTOHITO" and the real estate information site "Smighty". |
| 2008-02 |
Accelerating the launch of new services such as photo sharing site "PHOTOHITO" and real estate information site "Sumaiti" |
| 2009-09 |
It began offering a dedicated app in anticipation of smartphone adoption. |
| 2009-09 |
Started providing dedicated apps with a view to future smartphone proliferation |
| 2010-02 |
Through third-party measurement, it became the first gourmet site to reach the top spot in monthly domestic users. |
| 2010-02 |
First in the gourmet site industry to achieve the highest monthly user count in Japan through third-party measurement |
| 2016-06 |
Following Tanaka, Akisuke Hata became the president and CEO. |
| 2016-06 |
Akira Tanaka succeeds as president and representative director, replacing Tanaka |
| 2024-04 |
Following Hata, Atsuhiko Murakami became the president and CEO. |
| 2024-04 |
Atsuhiro Murakami succeeds as president and representative director, replacing Hata |
