Soil-free moss greening with the Sunagoke Moss Sheet — origimoss

Sunagoke Moss Sheet | Soil-Free Moss Greening Solution origimoss Inc. | Rooftop & Indoor/Outdoor Greening · Weed Suppression · CO₂ Fixation

Sharing the functional beauty of "moss" with the world,
proposing a new green lifestyle, and
taking on industrialization as "ALL JAPAN."

We feel that humanity now stands at a major crossroads. We have no intention of casually rejecting capitalism or the AI that has emerged from it. Yet we are increasingly convinced that, unless we seriously question how we live and practice a way of life that respects and coexists with nature, it will be difficult to pass on this wonderful global environment to the next generation.

For this reason, we have set out to learn from the qualities of "moss"—a primordial ("origin") plant—and, drawing on its beauty and functionality, to bring original ("originality") solutions into society. As of June 2026, we operate primarily B2B, working with a wide range of companies and individuals across more than 20 cultivation fields nationwide.

Our roots lie in the business of a company called Green's Green, based in Niigata. In fact, until our trade-name change in June 2026, our corporate name was Green's Green Holdings. However, due to various problems arising at that company, in spring 2025 the business-development members across every related area except Niigata—Hokkaido, Fukushima, Chiba, Saitama, Tokyo, Shizuoka, Nagano, Gifu, Aichi, Osaka, Kobe, Hiroshima, Yamaguchi, Fukuoka, and Okinawa—took the first step toward a new group organization. Drawing on these experiences, we are committed to sound "management" and sound "green," grounded in a strong sense of compliance.

Moss requires no soil, is lightweight, and is highly adaptable and regenerative—while also being sensitive to environmental conditions such as temperature and humidity. For this reason, our flagship product is currently a "weed-suppressing greening" material. At the same time, working with companies and research institutions, we are developing new products so that we can understand moss's properties more broadly and implement them creatively in society. We recognize that, on our own, our scientific knowledge, cultivation diversity, and production volume are not yet sufficient. That is why we raise the banner of "ALL JAPAN": crossing corporate boundaries to connect growers, researchers, and a wide range of stakeholders—young and old, including people with disabilities—and devoting ourselves to the "industrialization" of moss so that it can bring passion and comfort to everyday life.

Yoichi Takebayashi, Representative Director, origimoss Inc.

mission
Industrialize moss and create new environmental value in coexistence with nature.
vision
Realize a distributed green-infrastructure society in which moss functions in every space.
value
  1. 1.Science Driven
  2. 2.Scalable Simplicity
  3. 3.Execution Oriented
  4. 4.Client Together
  5. 5.Co-Creation
Sunagoke Moss Sheet — soil-free greening material, origimoss
Our Product

Sunagoke Moss Sheet

A greening material that needs no soil.
Weed Suppression for Greening Needs
It meets greening-obligation needs under the Urban Green Space Act and the Factory Location Act. Because it suppresses weeds almost completely, our customers are highly satisfied.
CO₂ Fixation Capacity
Compared with ordinary plants, it has a high potential to retain carbon over the long term.
Soil-Free and Lightweight
Unlike other plants, moss has no true roots—only rhizoids that anchor it. It can therefore absorb water and nutrients directly through its surface rather than from soil.
Reduced Maintenance
Sunagoke grows slowly, needs no fertilizer, and thrives on rainfall and morning dew. And because the moss grows on top of the weed-control sheet, it blocks UV light and slows the sheet's aging.

Origin of the Sunagoke Moss Sheet

The first company in Japan to develop the Sunagoke Moss Sheet was Kaiken Co., Ltd., based in Tainai City, Niigata Prefecture. Using the high quality of the Sunagoke Moss Sheet they manufacture as our benchmark—utility-model registered and listed in the New Technology Information System (NETIS) of Japan's Ministry of Land, Infrastructure, Transport and Tourism, NETIS Registration Number: HR-180001-A—we work with their greening division to expand production of sheets of the same standard across cultivation fields nationwide.

Kaiken Co., Ltd. — Greening Business (link)

Installation Examples

A selection of past projects by our company and group members (indoor greening images excluded).

Rooftop / Outdoor (Minimal-Maintenance Type)

We primarily install the Sunagoke Moss Sheet here. It is ideal for places where, given the environment, maintenance should be kept to a minimum. We do not recommend reducing maintenance entirely to zero, so please consult with us, including on management costs.

Examples of installation sites: idle corporate land, factory premises subject to green-coverage ratios (including rooftops), sites that prioritize green landscaping, gravesites, and more.

Sunagoke Moss Sheet installation along JR Kyushu railway tracks Sunagoke Moss Sheet installation in a JR Kyushu station Sunagoke Moss Sheet greening along railway tracks Sunagoke Moss Sheet installation at a gravesite Sunagoke Moss Sheet installation at a public facility Sunagoke Moss Sheet installation on a rooftop green space

Outdoor (Managed Type)

Beyond the Sunagoke Moss Sheet, we also use sheet-free Sunagoke and shade-tolerant mosses to enhance the design. Planting other than moss may be included, making it ideal for places where human management is assumed.

Examples of installation sites: sites where landscape upkeep matters—gardens being a prime example—and creative outdoor spaces.

Moss garden creation project Moss garden creation within a shrine precinct Creative outdoor moss space project Outdoor managed-type moss project

Indoor (Managed Type)

Here we do not use the Sunagoke Moss Sheet; instead we use various mosses to enrich creative indoor spaces. Lighting and water design are required. As with the outdoor managed type, it is ideal for places where human management is assumed.

Examples of installation sites: indoor commercial facilities, event decoration, and other creative green spaces.

* This is an area where our track record is still limited. If you are interested—including in R&D—please contact us via the inquiry form at the bottom of the page.

Creative indoor moss space project Indoor moss decoration at a commercial facility

Our Group's Cultivation Fields

Below are examples of cultivation fields run by our group, partners, or growers. Moss raised in tray cultivation is used for sheet cultivation.

origimoss outdoor Sunagoke cultivation field origimoss Sunagoke tray-cultivation facility origimoss Sunagoke field — tray cultivation close-up origimoss Sunagoke field — outdoor cultivation

Call for Co-Creation Partners

We are looking for business co-creation partners to work with us in various forms, such as R&D and PoC. We would be glad to create new value together with ambitious businesses, universities, and research institutions committed to improving the global environment. Please get in touch via the inquiry form at the bottom of the page.

Sunagoke moss cells under a microscope — moss R&D, origimoss R&D of moss cells — Sunagoke Moss Sheet, origimoss

members

Our key members are as follows:

Yoichi Takebayashi
Representative Director & Head of East Japan
Yoichi Takebayashi
Graduated from the Department of Chemistry and Biotechnology, Faculty of Engineering, the University of Tokyo; M.A. from the Graduate School of Columbia University (withdrew from the doctoral program; major in molecular biology). Member of the Japan Moss Technology Association and the Bryological Society of Japan. Part-time lecturer at the Japan Agricultural Management College and visiting professor at its Innovator Training Academy. After returning from studying in the U.S., he engaged in financial-product development at Morgan Stanley and Goldman Sachs before moving into the venture world, serving as CEO/CFO in fields such as agriculture, art, and high tech. Alongside this, he is involved in educational activities using contemporary art, artist support, and community creation.
Coming soon
Director & Head of West Japan
Toshiaki Hirota
Coming soon
Chairman & Technical Advisor
Ichiji Minagawa
Representative Director, Kaiken Co., Ltd.
Coming soon
Kansai Area Manager
Takeo Yano
Coming soon
Fukushima Branch Manager (Arakawa Sangyo, origimoss Division)
Shingo Suzuki
Coming soon
Tokai Area Company, Representative Director
Tomonori Banno
Coming soon
Tokai Area Company, Director
Shozo Hatano
Coming soon
Kyushu Branch Manager (Fukuda Doboku, origimoss Division)
Daichi Kajiwara

Bases of our group and contract cultivators

origimoss business areas

company

Company Name origimoss Inc.
Representative Director Yoichi Takebayashi
Location Tokyo, Japan
URL https://www.origimoss.co.jp/
Established September 2024
Capital JPY 3,000,000
Business Agriculture, agricultural consulting, and agricultural technology development

contact

Please send your inquiry via the form below. A representative will reply within a few business days. (The form is in Japanese; you are welcome to write to us in English.)