Empowering Natural Resources, Building Circular Infrastructure.
Shelltas Co., Ltd. upcycles over 150,000 tons of discarded marine shells annually into high-purity, non-chemical bio-minerals across fisheries, agriculture, sanitation, and materials. We also actively integrate inclusive employment support for individuals with disabilities into our production processes.
【Shelltas = Shell + Agriculture · Enterprises · People】
As a deep-tech material innovator specializing in marine bio-calcium, we named our company "Shelltas (+)" to signify adding value alongside diverse industries, enterprises, and people.
We unlock the innate latent power of raw natural resources through proprietary materials engineering, resolving structural social challenges while delivering uncompromising safety for ecosystems and human health.
Our Principles: Spotlighting Hidden Technologies
At the heart of every decision we make is our principle: "Spotlighting Hidden Technologies." We unearth overlooked natural resources and dormant innovations across primary industries, regional research institutes, and traditional crafts—transforming them into impactful, scientifically validated solutions for the global society.
Spotlighting Hidden Technologies
We focus on discarded or overlooked materials like 150,000 tons of marine scallop shells annually. By combining dormant natural wealth with deep-tech processing, we engineer world-class bio-minerals.
Field-Driven Empirical Realism
We do not stop at theoretical lab hypotheses. We enter real farms, aquaculture tanks, lacquer forests, and factories, co-validating efficacy alongside growers and craftsmen with empirical rigor.
Harmonious Circular Synergy
Transitioning from chemical dependency to restorative natural cycles. Integrating inclusive employment and regional partnerships, we construct a sustainable circular infrastructure for humanity and ecosystems.
Official Governmental Registrations & Compliance
Fully compliant with regulatory standards certified across the Tokyo Metropolitan Government and national ministries.
Designated Special Fertilizer Producer
Notification filed with the Governor of Tokyo (Jan 23, 2023)
Fertilizer Category: Marine Shell Fertilizer
Product Name: SeaFect BST
Commercial Fertilizer Distributor
Notification filed with the Governor of Tokyo (Jan 10, 2023)
Distribution Categories: Special & Standard Fertilizers
Portfolio: SeaFect BS / SeaFect BST
Pet Animal Feed Manufacturer
Notification filed with the Minister of MAFF & Minister of the Environment (Feb 3, 2023)
Manufacturing and sales of pet animal feed & supplements
Company Profile
- Company Name
- Shelltas Co., Ltd.
- Representative Director
- Hirokazu Tokuda
- Established
- January 2023
- Headquarters
- 1-16-8 Chuo, Ota-ku, Tokyo 143-0024 Japan View on Google Maps
- Contact Email
- info@shelltas.com
- Business Operations
- Manufacturing & sales of marine bio-calcium powder "SeaFect" (Materials Division)
- Development & sales of "SeaFect aqueous solution" (Solutions Division)
- Consulting & collaborative joint development for novel materials and products (Co-Creation Division)
- Agricultural solutions and biostimulant materials utilizing "SeaFect" (Agri Division)
- Autonomous water quality system "Water OS" for sustainable aquaculture & aquaponics (Aquaculture Division)
- Intellectual Property & Trademarks
- Fundamental Patent Granted: Method for Producing High-Purity Calcium Hydroxide from Marine Shells and Aquatic Conditioning Compositions
- International Patent (PCT) applications in progress
- Trademarks Pending: "SeaFect" and "Water OS" trademark registration applications filed
- Official Store & Brands
- Pet Care Brand "SANO (by SeaFect)"↗https://sano-by-seafect.com/
Natural bio-mineral wellness and hygiene for pets
Official Online Store (Product Purchase)↗https://seafect.stores.jp/Official direct e-commerce store for SeaFect formulations
Co-Creation & Paid Sample Inquiry
Connect with our team to request SeaFect paid evaluation samples, discuss joint R&D projects in agriculture, fisheries, sanitation, or novel materials compounding. We respond within two business days.