Company Name Change Announcement: Mediawave Co., Ltd. Changes Name to "ishiLL Co., Ltd." Entering its Second Founding Period, the Company Aims to Embody a High "Will" and Collaborate with the Accommodation Industry

Under the mission of "Delivering 'joy' and 'excitement' beyond expectations to those working in hotels!", Mediawave Co., Ltd. (Headquarters: Shinagawa-ku, Tokyo; Representative Director: Masashi Ueda), which operates support services for the accommodation industry, will change its company name to "ishiLL Co., Ltd." on April 1, 2026.

With the rapid rise of generative AI, the value of services is being re-evaluated across all industries. In this environment, our company will embody the spirit of "Will surpasses ability," which we have cherished since our founding, as our company name, and embark on our second founding period as a collaborative partner in the accommodation industry.

【The Meaning Behind "ishiLL"】

"ishiLL" is a coined word that abbreviates "Will surpasses ability," which has been our guiding principle since our founding. This phrase, meaning "We want to be a company that sets goals beyond its own capabilities and continues to challenge with high aspirations and strong will," is a deeply rooted belief for Representative Ueda and every employee.

The "LL" in "ishiLL" also embodies the desire to "Lead customers to great success through collaboration and create a Loop of joy." We engrave this stance of having high aspirations and continuing to walk together as collaborative partners with all staff in the accommodation industry into our company name.

Details of the thoughts behind the company name change are available in an interview with Representative Ueda on the company's official note, so please check it.
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Facing the accommodation industry with "will" precisely because it's the AI era. The resolve of the second founding period embedded in the new company name "ishiLL" | ishiLL's note

https://note.com/ishill/n/nf7b22b50dd12
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【Birth of Official Character "Jippachi"】

Simultaneously with the company name change, an official character named "Jippachi," modeled after a honeybee, was born. It was named after the "80% execution spirit" in our action guideline "20% planning, 80% execution."

Just as honeybees invite their companions to nectar with their "waggle dance," their instinctive collaboration overlaps with our value of "As Associate (aiming for growth together as colleagues, experts, and co-managers)." Jippachi symbolizes the "collaboration" that "ishiLL" values.

【Comment from Representative Director Masashi Ueda】

With the rapid evolution of generative AI, the value of services is being re-evaluated across all industries. However, no matter how much generative AI evolves, the connections between people and the "human will" to overcome difficulties have an irreplaceable value. The new signboard "ishiLL" is not merely a name change; it is a banner for all employees to share the same aspirations and take a step forward in the face of challenges. Even with the company name change, our mission of "Delivering 'joy' and 'excitement' beyond expectations to those working in hotels!" and our stance and will to collaborate with all staff in the accommodation industry remain unchanged. We will continue to foster our business with high aspirations and as a united company.

【About Our Company】

"ishiLL" develops operational support services for the accommodation industry. Under the mission of "Delivering 'joy' and 'excitement' beyond expectations to those working in hotels!", we promote our business as a collaborative partner with all staff in the accommodation industry, based on three pillars: "Cloud Services," "On-site Support Services," and "Project Services." We will further deepen our strength of prioritizing the field and continue to provide business value centered on human connections.

【Company Overview】

New Company Name: ishiLL Co., Ltd.

Former Company Name: Mediawave Co., Ltd.

Change Date: April 1, 2026
Established: February 1, 2017

Representative Director: Masashi Ueda

Head Office Location: 3F Sanshin Building, 3-7-14 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-0031

Business Activities: Operational support service business for accommodation services

HP: https://ishill.co.jp

Official Note: https://note.com/ishill

Official X (formerly Twitter): https://x.com/mwsns3