Juzen Chemical Corporation Head Office: A Modern Workplace Rooted in Toyama’s Culture and Landscape

Reimagining Corporate Architecture in Toyama, Japan

Designed by KEY OPERATION INC. / ARCHITECTS, the Juzen Chemical Corporation Head Office is a transformative workplace campus that bridges pharmaceutical innovation, regional identity, and employee wellness. Located between Toyama’s Jintsu River and the Fugan Canal, the 1,885-square-meter headquarters consolidates offices, meeting spaces, and social areas into a cohesive headquarters environment inspired by nature, local heritage, and collaborative culture.

Completed in 2023, the project strengthens Juzen Chemical’s presence in Japan’s renowned pharmaceutical region, while shaping a workplace that connects employees with the community and surrounding environment.

A Headquarters Designed Through Employee Participation

At the heart of the design is people-first architecture. The concept evolved through extensive employee workshops across multiple generations and departments, emphasizing:

• Spontaneous communication
• Collaborative work modes
• Quiet zones for focused tasks
• Comfortable social and refresh spaces

This feedback informed a spatial strategy that supports seamless transitions between solo work, teamwork, and relaxation, creating a dynamic work environment that responds to diverse needs.

The architectural narrative draws inspiration from Toyama’s Tateyama mountain range and the historic Kitamae merchant boats, once carriers of medicinal ingredients—a symbolic link to the company’s origins.

Contextual Form and Flood-Adaptive Architecture

Elevation for Resilience

Located in a river floodplain, the building lifts principal office areas above the ground level. The piloti design creates an open ground floor accommodating reception, gallery functions, and breezeway car access—balancing resilience and openness.

Urban integration

To protect sunlight for a neighboring residence and embrace the adjacent park, the design adopts an L-shaped volume with a flat south façade. This gesture transforms the park into an extension of the workplace, fostering a shared community green space and natural visual relief.

Layered Program Across Five Levels

First Floor — Piloti & Community Interface

• Reception + company gallery
• Car breezeway access
• Public-facing arrival environment

Second Floor — Operational Core

• Office suites for major departments
• Work lounge and informal meeting areas

Third Floor — Shared Social Level

• Cafeteria connecting office and factory staff
• Social hub promoting cross-team interaction

Fourth Floor — Leadership & Well-Being

• Executive workspaces
• Library & executive lounge
• Rooftop terrace with mountain views

Fifth Floor — Panoramic Conference Facilities

• Meeting rooms with sweeping vistas
• Strategic positioning for corporate presentations & events

Vertical circulation is efficiently organized at the hinge of the L-plan, reinforcing clear movement and workplace clarity.

Materiality and Architectural Expression

The building’s steel frame and full-glass façade provide transparency and visual lightness, softened by natural elements:

• Wrap-around balconies for outdoor breaks & solar control
• Continuous pine louver ceilings extending indoors–outdoors
• Soft lighting highlighting wood textures at night

These louvers recall:

• Shrine roof eaves
• Kitamae ship hull forms

Merging cultural memory with a warm, modern workplace aesthetic.

Sustainable Landscape & Passive Environmental Design

Green courtyards & medicinal gardens

Beneath the lifted building, the landscape features:

• Local plant species
• Medicinal herbs referencing the company’s pharmaceutical roots
• Alpine groundwater irrigation used for snow-melting pathways

This creates a space where employees, residents, and visitors can connect with nature.

Climate-responsive strategies

Balconies and terraces support passive comfort through:

• Exterior shading for summer heat
• Daylight penetration in winter
• Natural ventilation harnessing Toyama’s breezes

By integrating ecology and engineering, the building enhances energy efficiency, comfort, and seasonal adaptability.

A Workplace Rooted in Culture, Nature, and Community

The Juzen Chemical Headquarters stands as a thoughtful example of corporate architecture that prioritizes human connection, environmental stewardship, and regional identity. It provides a calm, collaborative atmosphere while celebrating the soul of Toyama—its mountains, waterways, craft traditions, and medicinal heritage.

All photographs are works of Shigeo Ogawa