Anabuki Kosan
A Japanese real-estate company based in Takamatsu that develops and markets condominiums under the Alpha and Alpha Smart brands.
Last updated August 26, 2026
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Overview
Anabuki Kosan Inc. is a Japanese real-estate company headquartered in Takamatsu, Kagawa Prefecture. Established in 1964, the company operates primarily in property development and is particularly associated with condominium marketing under the Alpha brand. Its newer Alpha Smart line extends that branded condominium portfolio. The company’s business identity is therefore more specifically connected with residential real-estate development and condominium products than with general construction alone. Anabuki Kosan was formerly associated with the Anabuki Construction group. The relationship changed in 2000, when Anabuki Kosan became separate from that group. This separation is an important organizational turning point because the two names can otherwise be confused: Anabuki Kosan is the real-estate company identified by this article, while “Anabuki Construction” is an earlier or related group reference rather than a reason to remap the subject to a different corporation. The company markets condominiums under the Alpha name and, more recently, under Alpha Smart. These brands represent its principal identifiable consumer-facing offerings. Available reference material does not provide sufficient detail to describe individual developments, architectural specifications, geographic sales volumes, financial performance, or a complete list of subsidiaries. It also does not establish a broader international operating footprint; the company is identified as a Japanese business with its headquarters and principal market in Japan. Anabuki Kosan is publicly listed on the Tokyo Stock Exchange under ticker 8928. The cited reference identifies Tadatsugu Anabuki as the company’s president. Beyond this leadership information, reliable material supplied for this entry does not identify a complete current or historical executive roster, founder, ownership breakdown, or detailed corporate strategy. The company is treated as active, with residential real-estate development and branded condominium marketing as its defining business activities.
History
Anabuki Kosan was established in 1964 in Japan and developed as a real-estate enterprise headquartered in Takamatsu, Kagawa Prefecture. The supplied reference identifies its principal field as real estate, with particular emphasis on condominium development and marketing. Unlike a diversified consumer brand, its most visible market presence is tied to residential property projects sold under company-controlled brand names. The company’s corporate history is closely linked by name to Anabuki Construction. Anabuki Kosan was previously part of the Anabuki Construction group, but the two became separate in 2000. This organizational change distinguishes the real-estate company from the broader historical construction-group association and is central to understanding the subject’s corporate identity. Following that separation, Anabuki Kosan continued to be identified with condominium development. Its principal condominium brand is Alpha, while Alpha Smart was introduced as a more recent branded line. The available material does not specify the launch dates of either brand, individual project locations, construction partners, or the precise differences between the two product lines. It therefore supports identifying them as the company’s principal named offerings, but not a detailed product chronology. Anabuki Kosan is listed on the Tokyo Stock Exchange under ticker 8928. The supplied reference names Tadatsugu Anabuki as president. No reliable details are provided here about the company’s founder, early capitalization, revenue history, ownership structure, acquisitions, overseas expansion, or changes in executive leadership. The available evidence supports describing Anabuki Kosan as an active Japanese residential real-estate company with a branded condominium business, rather than reconstructing unsupported corporate or financial detail.
- 2000
Separation from the Anabuki Construction group
[1]Anabuki Kosan became separate from the Anabuki Construction group, clarifying its distinct corporate identity as a real-estate company.
- 1964
Company established
[1]Anabuki Kosan was established in Japan and later became headquartered in Takamatsu, Kagawa Prefecture.
Alpha condominium brand
[1]The company markets residential condominiums under the Alpha brand.
Alpha Smart brand introduced
[1]Anabuki Kosan later expanded its branded condominium offering with Alpha Smart.
Products and positioning
Japanese residential real-estate developer and condominium marketer focused on branded Alpha and Alpha Smart properties.
Residential condominiums
Alpha
Alpha is Anabuki Kosan’s established branded condominium line. The company markets residential condominium properties under this name, making Alpha the clearest consumer-facing expression of its core real-estate development business. The available reference does not identify a single flagship project, a fixed architectural specification, or a complete geographic project list, so the brand is best understood as a portfolio label covering the company’s condominium developments.
Residential condominiums
Alpha Smart
Alpha Smart is a more recent condominium brand marketed by Anabuki Kosan. It extends the company’s branded residential-property portfolio beyond the core Alpha name. The supplied source does not provide enough detail to establish its launch year, design positioning, technology features, target customer segment, or project count. It is nevertheless identified as an active named offering associated with the company’s condominium business.
Brand decisions
2000
Corporate separation from Anabuki ConstructionStrategyBackground
Anabuki Kosan had previously been part of the Anabuki Construction group. The supplied reference records that the company became separate from that group in 2000.
Action taken
The company operated as a separate corporate entity after 2000, with its identity centered on real-estate activities.
Aftermath
The separation established Anabuki Kosan as a distinct real-estate company while leaving the historical Anabuki Construction association relevant for corporate context.
Sources1 sources
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