A great work bag bridges who we are with what we do. Today, we're visiting Tokyo-based architect Shogo Onodera at his office, accompanied by his go-to bag—the Tone Nume Weekender Bag. Spacious, durable, and refined, it’s the perfect companion for an architect who carries an array of tools and props.
We spoke with Shogo about his design for the Signature Pavilion at the 2025 Kansai Expo, and how he is expanding his practice beyond architecture into restorative design.
Tsuchiya: There are so many architectural models here in the studio! It seems that the stacked boxes is a motif you often use.
Shogo: Yes, the Signature Pavilion I designed is built from cubic steel units we call "cells." Its exterior is made from a material called HPC (Hybrid Prestressed Concrete).
Tsuchiya: What are the advantages of using this material?
Shogo: Traditional concrete relies on steel reinforcement, which rusts in seawater. HPC, however, uses carbon wire, which is far more resistant to saltwater, extending its lifespan.
The "cells" we created for the Signature Pavilion were designed not just for the Expo but as part of a larger shift toward sustainable transport. It functions as a marine transport module, supporting the move from truck-based freight to lower-impact rail and ship transport. The pavilion's cells can be repurposed individually, ensuring continued use after the Expo.
Tsuchiya: It’s so well-thought-out. You started at the renowned architectural firm SANAA, and have worked on major projects in Paris and Shanghai. Can you tell us about those experiences?
Shogo: Before joining SANAA, I spent about a year in Paris. It was 2008, and I was supposed to intern at a firm there—but then the financial crisis hit. I continued my studies while working odd jobs and staying with friends. When I returned to Japan, I had the opportunity to join SANAA at just the right time—they had recently won the competition for the new construction and renovation of La Samaritaine, a luxury department store in Paris.
Tsuchiya: Your time in Paris really shaped your career path.
Shogo: Yes. I spent eight years at SANAA, working on a variety of projects both in France and internationally—mostly large-scale developments. But after becoming independent in 2018, I shifted my focus to smaller projects, like private homes and renovations. Then, I had the opportunity to design the first flagship store in Tokyo for the Parisian brand Patou. My past experiences helped me collaborate closely with the client, and together with artistic director Guillaume Henry, we were able to build a great space—now I oversee the design of Patou stores across Japan.
Tsuchiya: How did things lead to you designing the Signature Pavillion after that?
Shogo: When I became independent, I started working on public projects like town development and regional revitalization. This led me to take on larger social projects, including the 2025 World Expo. I began to realize that in order to create meaningful impact, I needed to expand beyond architecture—integrating environmental issues and technology.
In 2022, I created OSO Research, a team that brings together external collaborators like artists, cultural anthropologists, and environmental engineers. Involving them from the earliest stages of each project allows our concepts to evolve and deepen.
Tsuchiya: You’re involved in a wide range of projects, from material development to fishing reef initiatives. Do you see yourself continuing to focus on the environment and society?
Shogo: We're focused not only on preserving the global environment but on actively restoring it through what’s known as restorative design. The earth has an innate ability to regenerate—so even small design interventions can create positive change and help nature recover. It’s challenging work, but as an activist, I see architecture as a tool for social betterment. Moving forward, I want to continue exploring design while deepening its impact.
Tsuchiya: The work of an architect goes beyond the desk, often involving travel—which means having a good bag is essential. What do you look for in a bag?
Shogo: I long for a hands-free lifestyle, but I do need a durable bag because I transport various gadgets for work. When I was younger, I liked using casual bags—but once I started working, I switched to leather. I like how they develop character over time—it's another one of their strengths as a material.
Tsuchiya: When do you use the Tone Nume Weekender Bag?
Shogo: I like to use it for shorter work trips. The Boston-style bag fits my laptop, camera, and other gadgets without any issue, while maintaining its form, so it's ideal for presentations. Laptops and sketchbooks fit vertically, and the pockets are perfect for gadgets, which keeps things organized.
The other day I went on a field survey in shorts because it was so hot, but this bag helped me look a little more formal.
Tsuchiya: So there isn't usually a dresscode.
Shogo: No—but for some reason, architects around the world unanimously tend to wear black.
Tsuchiya: You're carrying your bag over your shoulder today, but do you ever carry it by the handle?
Shogo: I usually carry it on my shoulder, on my right side—not as a crossbody. I love this bag because the shoulder strap is the perfect thickness and length. It stays stable and easy to carry, even when I'm using my electric scooter to move from the office to the parking lot.
Tsuchiya: It sounds like your life is very busy—what are your favorite moments throughout the day?
Shogo: I actually enjoy team-building the most at work. That’s what OSO Research is all about. I find joy in collaborating with the people I truly want to work with—and our office is exactly that.
One day, when I arrived at the office, everyone was away on business trips and I found myself alone. I couldn’t help but post about it on Instagram because moments like that make me reflect on how much my team has grown, and feel a deep sense of gratitude.
Thank you Shogo-san for sharing about your work and style!
Shogo Onodera
HP / @officeshogoonodera
