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Polyuse

HardwareTokyo, JapanFounded 2019· One of 1733 Hardware companies tracked by AMPulse

Polyuse develops construction 3D printers for the Japanese construction and civil engineering industry.

CEO / Founder
Takuya Iwamoto (Co-founder and Representative Director/CEO)
Team Size
11-50
Stage
Active
Total Funding
$34M
Latest Round
Debt
Key Investors
WiL, Globis Capital Partners, UMI, SBI Investment, Daiwa House Ventures, Mizuho Bank, Shoko Chukin Bank

Technology & Products

Key Products

Polyuse develops construction 3D printers for the construction and civil engineering industries.

Technological Advantage

Domestically manufactured construction 3D printers optimized for Japanese market; 200+ construction sites deployed

Patent position

Polyuse has filed 25 patent families in total, well behind named peer ICON's 67, with no momentum data available to assess its recent filing trend. AMPulse analysis

Filing momentum
24 families filed 2022–2024, 1 in 2019–2021
Filed in
JP 64%WO 32%US 4%EP 4%
Named competitors, AM patent families
ICON 67

25 AM patent families in total. Recent years are still being published, so read a filing change against the same-office figure.

Differentiation

Value Proposition

Enables rapid construction with 3D printing technology, addressing Japans labor shortage in construction.

How They Differentiate

Local manufacturing and support; optimized for Japanese building codes; largest domestic track record

Market & Competition

Target Customers

Construction companies, civil engineering contractors, infrastructure developers in Japan

Industry Verticals

Construction, Civil Engineering, Infrastructure

Competitors

ICON, Cobod, PERI 3D Construction

Growth & Milestones

Growth Metrics

200+ construction sites completed as of 2025; Growing from startup to market leader in Japanese construction 3D printing; Raised ¥2.7B Series B in December 2025 plus ¥1.1B debt financing from Mizuho Bank and Shoko Chukin in August 2026, cumulative funding reaching ~¥5B

Major Milestones

2019: Founded in Tokyo; 2022-01: First MLIT government construction project; 2022: MIT Technology Review Innovators Under 35 Japan recognition; 2023: J-Startup certified company; 2024: Excellence Award recipient; 2025-09: Launched Polyuse One commercial product; 2025-12: Raised ¥2.7B Series B; Completed 200+ construction sites; 2026-07: Accepted into Japan's SBIR Construction Technology R&D Subsidy Program; 2026-08: Raised ¥1.1B debt financing from Mizuho Bank and Shoko Chukin, cumulative funding ~¥5B

Notable Customers

MLIT (Ministry of Land, Infrastructure, Transport and Tourism of Japan) - first government project 2022; Major Japanese construction companies; Public infrastructure projects; Educational institutions

https://polyuse.xyz

Recent coverage of Polyuse

AM patents

AM-relevant patents linked to this company.

Patents
32
Granted
7
Families
25

Leading domains: process (32), equipment (13), material (8)

Filings by year: 2024: 4 · 2023: 27 · 2020: 1

  1. 情報処理システム、情報処理方法及びプログラム37089692|2025089692 · JP
  2. プログラム、3次元造形物の製造方法及び3次元造形物07742196|1995742196 · JP
  3. POWDER COMPOSITION, MORTAR MATERIAL FOR ADDITIVE MANUFACTURING, MOLDED OBJECT, AND METHOD FOR MANUFACTURING MOLDED OBJECT2024181518 · WO
  4. PROGRAM, METHOD FOR PRODUCING THREE-DIMENSIONAL FABRICATED OBJECT, AND THREE-DIMENSIONAL FABRICATED OBJECT2025070718 · WO
  5. 建設用3Dプリンタ及び造形物の製造方法37065386|2025065386 · JP

Funding rounds

  • Debt¥1.1B2026-08Source: Web Research
  • Series B¥2.7B2025-12Lead: WiL · Source: Web Research
  • Series A¥1B2023-06Source: Web Research
  • Series A¥300M2021-10Lead: WiL · Source: Web Research
  • Seed¥50M2020-06Source: Web Research

Why this company matters

AMPulse analysis, not a company disclosure

Polyuse occupies a distinctive position as the market leader in construction 3D printing within Japan, a role reinforced by government endorsement and a track record of over 200 deployed construction sites as of 2025. The company addresses a critical labor shortage in Japan's construction and civil engineering sectors by offering domestically manufactured 3D printers that are optimized for local building codes and market requirements.

The core technology is a material extrusion process adapted for construction-scale 3D printing (MEX-3DCP). Polyuse's printers are designed to produce structural components and entire building elements on-site or in prefabrication settings, enabling faster project timelines compared to traditional formwork-based methods. The company's first government-supervised project with the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) in 2022 marked a milestone for regulatory acceptance of 3D-printed construction in Japan.

Target customers include major Japanese construction companies, civil engineering contractors, infrastructure developers, and public works agencies. Applications span residential buildings, public infrastructure, and educational facilities. Polyuse's commercial product, the Polyuse One launched in September 2025, aims to standardize the hardware offering for broader adoption.

Polyuse's competitive moat rests on its local manufacturing and support infrastructure, which allows it to tailor printers to Japanese seismic and building standards—a differentiator against international rivals such as ICON, COBOD, and PERI. The company has raised approximately ¥4.05 billion (about $27 million) from investors including WiL, Globis Capital Partners, Daiwa House Ventures, and SBI Investment, with a ¥2.7 billion Series B round closed in December 2025. A key open question is whether the company can scale beyond its domestic stronghold into other Asian markets facing similar construction labor constraints.