Cellex Corporation / Since 2004

Changing the future from the cell.

Cellex Corporation supports medical institutions, CPCs, and research institutions in establishing cell culture systems through products, technologies, and quality management support specialized in NK cell culture.

2004 Accumulated expertise in cell culture technology over more than 22 years.
CLINICAL&
PATENT
Continuous technical improvements based on clinical practice by the inventor.
30,000+Cases Practical know-how based on clinical application at New City Osaki Clinic.

News

News

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ACTO 2026 Annual Meeting Platinum Sponsor Announcement

An announcement regarding the ACTO ASPI Annual Meeting scheduled for August 26-28, 2026 in Jakarta.

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About Cellex

A Japanese biotechnology company focused on NK cell culture

Founded in 2004, Cellex Corporation supports domestic and international partners through NK cell culture technology R&D, culture product supply and the development of standardized culture management systems.

Cell culture products in a laboratory setting

Three Pillars

Cellex strengths

01

Products

We provide culture media and culture bags required for NK cell culture.

02

Technology

We provide an NK cell expansion culture system based on the patented technology of Cellex.

03

Clinical Feedback

We reflect the results of clinical application in product improvements and technology updates.

Technology Platform

Dedicated Products. Standardized Culture.

Cellex NK cell culture technology combines dedicated culture products with standardized operating procedures to support stable NK cell culture process development.

High ExpansionThrough culture using 30mL of peripheral blood, we aim to obtain over 10 billion immune cells and support efficient cell expansion.
High ActivityCulture conditions are optimized to help maintain post-culture cell activity.
Simplified ProcessSimplifies complex operations and supports process stabilization.
Standardized ManagementSOPs, record templates and training support reproducibility and traceability.
NK cell culture technology platform visual

Quality Management

Cellex recommends setting key control items in the culture process, including cell count, viability, NK cell ratio, sterility testing, endotoxin testing, mycoplasma testing and culture records.

Product Series

Product lineup for NK cell culture

Cellex supports induction, expansion and culture management by combining NK cell expansion medium, culture bags and initial culture bags.

Cellex NKGM-1 NK cell expansion medium

Culture Medium

Cellex NKGM-1

A medium designed for NK cell expansion culture. In combination with the Cellex culture system, it supports stable NK cell culture.

200ml / 800ml / 1000ml
Cellex NKGM-Bag NK cell culture bag

Culture Bag

Cellex NKGM-Bag

A culture container used in the NK cell expansion culture process. Sterile packaging and 1L capacity support standardized operations.

Sterile package / 1L capacity
Cellex NK Culture Initial Bag Ver.2.1

Initial Culture

NK Culture Initial Bag Ver.2.1

A culture bag used in the initial induction stage of NK cell culture, supporting stabilization and improved success rates in the initial culture process.

For initial induction stage

Solutions

Implementation support for medical institutions, CPCs and research organizations

Cellex helps facilities build culture systems emphasizing safety, quality and reproducibility.

Culture products

Products supporting the NK cell culture process, including NKGM-1, NKGM-Bag and NK Culture Initial Bag Ver.2.1.

Technology implementation

Support for building NK cell culture processes based on the Cellex culture system.

SOP and documents

Support for SOPs, batch records, QC records, environmental monitoring records and training records.

Training

Video, online and on-site training for culture operations, quality management, product usage and deviation response.

Quality management

Support for setting control items such as cell count, viability, NK cell ratio, sterility testing, endotoxin testing, mycoplasma testing and records.

Intellectual Property

Intellectual property related to NK cell activation, expansion and cell manufacturing

Cellex has built intellectual property related to NK cell activation, expansion and cell manufacturing. These patents form a foundation for process stability, reproducibility and technology transfer.

  • JP Patent: NK cell activation method, NK cell expansion method, cell manufacturing method and mononuclear cells containing NK cells
  • JP Patent: Cancer onset inhibitor, antibody production enhancing agent and hepatitis therapeutic agent
  • JP Patent: NK cell activation method, NK cell expansion method, cell manufacturing method and mononuclear cells containing NK cells
  • US Patent: Cancer inhibiting agent, antibody production enhancing agent, and therapeutic agent for hepatitis
  • US Patent: Immunotherapy for Pancreatic Cancer
Cellex patent certificates

Partnership

Business partnerships

Medical Institutions

New City Osaki Clinic
A specialized cancer treatment institution providing immunotherapy, including high-activity NK cell therapy.
Osaki New City TOC Building 2F, 1-6-1 Osaki, Shinagawa-ku, Tokyo 141-0032 / TEL: 03-5437-3170
Fujita Clinic
6-4-10 Himonya, Meguro-ku, Tokyo 152-0003 / TEL: 03-3712-6731

Partner Companies

Medeze Group Public Company Limited (Thailand)
A Thai biotechnology company focused on stem cell banking, testing, separation, culture, storage and immune cell function testing.
Hebe Bioscience (Beijing) Cell Technology Co., Ltd
A Beijing-based biotechnology company engaged in cell technology R&D and applications, medical research, health consulting and related technical services.

Contact

Contact Cellex

For product implementation, technical support, SOP documents or training, please contact Cellex Corporation.

03-6865-8797 ask@cellex-inc.jp
2-19-23 Kanda-Sudacho, Daiwa Akihabara Building 2F, Chiyoda-ku, Tokyo 101-0041, Japan