| Eurus Therapeutics | Fujisawa, | Non-CRISPR genome editing technologies |
| Lumenis | Aichi, Japan | Energy-based medical treatments |
| Daiichi Sankyo | Akita, Japan | Small Molecules |
| ADS BIOTEC | Chiba, Japan | Lab Instruments, Consumables |
| AGC Biologics | Chiba, Japan | Contract Manufacturing - Biologics |
| Chordia Therapeutics | Fujisawa, Japan | Oncology Treatments |
| PRISM Biolabs | Fujisawa, Japan | Peptide-acting Small Molecules |
| Daiichi Sankyo | Fukoroi, Japan | Small Molecules |
| Lumenis | Fukuoka, Japan | Energy-based medical treatments |
| ARCALIS | Fukushima, Japan | Contract mRNA Production |
| Daiichi Sankyo | Fukushima, Japan | Small Molecules |
| Novo Nordisk | Fukushima, Japan | Diabetes, obesity, liver disease and other therapeutic areas |
| Surv Biopharma | Kagoshima, Japan | Conditionally-replicating adenovirus |
| WaVe Life Sciences | Kagoshima, Japan | Stereopure oligonucleotides |
| FIMECS | Kanagawa, Japan | RaPPIDS, E3 ligase binders and linker combinations |
| Interprotein | Kanagawa, Japan | Highly active modulators for protein-protein interaction targets |
| Jitsubo | Kanagawa, Japan | Generic Peptide Drugs |
| Jiuzhou Pharma | Kanagawa , Japan | Fully integrated solutions in small molecule and peptide API drug development & production from clinical stage to commercialization |
| MOLCURE | Kanagawa, Japan | AI-Driven Drug Discovery |
| Onodera | Kanagawa, Japan | Gene Therapy |
| Orizuru Therapeutics | Kanagawa, Japan | IPS Cell Therapy for Heart Failure |
| ReproCELL | Kanagawa, Japan | Cell Culture Reagents & Antibodies |
| Adragos Pharma | Kawagoe, Japan | Global CDMO for sterile injectables: PFS, vials, ampoules, IV bags, BFS. Clinical to commercial. |
| Oncotherapy Science | Kawasaki, Japan | Small Molecule, peptides, antibody therapies, contract analytical |
| BGI | Kobe, Japan | Genetic Testing |
| Synplogen | Kobe, Japan | Gene Therapy production, sequence design |
| YMC Process Technologies | Koyoto , Japan | Purification Technology |
| ARKRAY | Kyoto, Japan | Clinical Diagnostics |
| BTB Therapeutics | Kyoto, Japan | Non-opioid therapies and novel RNA splicing modifiers |
| Cellink | Kyoto, Japan | Bioprinting |
| Myoridge | Kyoto, Japan | 3D Cell Culture Technology |
| Telix Pharmaceuticals | Kyoto , Japan | Radio immunotherapy |
| xFOREST Therapeutics | Kyoto, Japan | RNA drug optimization |
| Santen | Nara, Japan | Ophthalmics |
| Daiichi Sankyo | Odawara, Japan | Small Molecules |
| CLOVERNA | Okayama, Japan | RNA Targeting Oligonucleotides |
| Ajinomoto Bio-Pharma Services | Osaka, Japan | Contract Manufacturing |
| Daiichi Sankyo | Osaka, Japan | Small Molecules |
| GramEye | Osaka, Japan | AI and automation for Gram Staining |
| Hovione | Osaka, Japan | Contract Manufacturing |
| Interprotein | Osaka, Japan | Highly active modulators for protein-protein interaction targets |
| KOTAI Biotechnologies | Osaka, Japan | Immune AI platform and data analysis |
| Lumenis | Osaka, Japan | Energy-based medical treatments |
| Luxna Biotech | Osaka, Japan | Oligonucleotide Therapeutics |
| Mitsubishi Tanabe Pharma | Osaka, Japan | Small Molecules |
| Santen | Osaka, Japan | Ophthalmics |
| Santen | Osaka, Japan | Ophthalmics |
| Santen | Osaka, Japan | Ophthalmics |
| Shionogi | Osaka, Japan | Small Molecules, Injectors |
| Takeda | Osaka, Japan | Small Molecule, Enzymes |
| Epsilon Molecular Engineering | Saitama, Japan | Heavy chain single domain antibodies |
| Fuji Yakuhin | Saitama, Japan | Generics |
| Nihon Kohden | Saitama, Japan | Medical Electronic Equipment |
| UCB Pharma | Saitama, Japan | Small Molecules, Biologics |
| Daiichi Sankyo | Shinagawa, Japan | Small Molecules |
| CanBas | Shizuoka, Japan | Small Molecules |
| Astellas | Takahagi, Japan | Small Molecules, ADC, Cell Therapy, Gene Therapy, Viral, Antibodies |
| Otsuka | Tokushima, Japan | Small Molecules |
| AccuRna | Tokyo, Japan | Nucleic Acid Therapeutics |
| aceRNA Technology | Tokyo, Japan | RNA Switch Technology |
| Acertara Acoustic Laboratories | Tokyo, Japan | Ultrasound probe testing devices |
| AI Medical Service | Tokyo, Japan | Endoscopic AI Diagnosis |
| Alpha Fusion | Tokyo, Japan | Radiopharmaceuticals |
| Astellas | Tokyo, Japan | Small Molecules, ADC, Cell Therapy, Gene Therapy, Viral, Antibodies |
| Atonarp | Tokyo, Japan | Molecular Analysis by Mass Spec |
| BioMimetics Sympathies | Tokyo, Japan | Stem cells for research, cell culture technology |
| BioSpring | Tokyo, Japan | Manufacturing & Analytical Services |
| CellFiber | Tokyo, Japan | Fiber Culturing Equipment |
| Certara | Tokyo, Japan | Biosimulation software, technology and services to transform traditional drug discovery and development. |
| Chugai Pharma | Tokyo, Japan | Small Molecules |
| Chugai Pharma | Tokyo, Japan | Small Molecules |
| CMIC | Tokyo, Japan | Pharmaceutical Contract Work |
| Craif | Tokyo, Japan | Urine-based microRNA liquid biopsy tests |
| Cytiva | Tokyo, Japan | Medical Devices |
| Daiichi Sankyo | Tokyo, Japan | Small Molecules |
| Dioseve | Tokyo, Japan | Assisted reproductive technology using oocytes derived from iPS cells |
| Dornier MedTech | Tokyo, Japan | Urology Devices |
| EAG Laboratories | Tokyo, Japan | Analytical & Synthesis Services |
| Elix | Tokyo, Japan | AI Drug Discovery |
| Fosun Pharma | Tokyo, Japan | Small molecules, diagnostics, traditional |
| Human Metabolome Technologies | Tokyo, Japan | Capillary electrophoresis mass spectrometry-based metabolomics technologies |
| Kyowa Hakko Kirin | Tokyo, Japan | Biologics |
| Lonza | Tokyo, Japan | Contract Manufacturing, Development; Lab Systems, Research Products |
| LPixel | Tokyo, Japan | Image Analysis Technology |
| Lumenis | Tokyo, Japan | Energy-based medical treatments |
| Mevion Medical Systems | Tokyo, Japan | Radiation Therapy |
| Modalis Therapeutics | Tokyo, Japan | Genome Editing Tools for Therapeutic Discovery |
| NAMSA | Tokyo, Japan | Medical Research Organization - Medical Devices |
| Nihon Kohden | Tokyo, Japan | Medical Electronic Equipment |
| Noile-Immune Biotech | Tokyo, Japan | Immuno-oncology |
| PENTAX Medical | Tokyo, Japan | Medical Devices |
| PeptiDream | Tokyo, Japan | Peptide generation platform |
| Perseus Proteomics | Tokyo, Japan | Antibody Technology |
| Pfizer | Tokyo, Japan | Small Molecules, Biologics, Vaccines |
| Rakuten Medical | Tokyo, Japan | Antibody conjugates for cancer |
| RaySearch Laboratories | Tokyo, Japan | Cancer Research Software |
| Rhelixa | Tokyo, Japan | Epigenome Analysis |
| Ribomic | Tokyo , Japan | Aptamers |
| SanBio Co Ltd | Tokyo, Japan | Regenerative Cell Medicine |
| SOCIUM | Tokyo, Japan | Contract Research |
| Solasia Pharma K.K. | Tokyo, Japan | Licensing Western products to sell in Asia |
| Surv Biopharma | Tokyo, Japan | Conditionally-replicating adenovirus |
| Synthetic Gestalt | Tokyo, Japan | AI Drug Discovery |
| Sysmex | Tokyo, Japan | Diagnostics |
| TAGCyx Biotechnologies | Tokyo, Japan | Oligonucleotide Drug Discovery Platform |
| Teleflex Medical | Tokyo, Japan | Surgical and Medical Devices |
| ThinkCyte | Tokyo, Japan | Image-Activated Cell Sorting |
| Trilations | Tokyo, Japan | Strategic Consulting |
| Veeva Systems | Tokyo, Japan | Life Science Software |
| Astellas | Yaizu, Japan | Small Molecules, ADC, Cell Therapy, Gene Therapy, Viral, Antibodies |
| Human Metabolome Technologies | Yamagata, Japan | Capillary electrophoresis mass spectrometry-based metabolomics technologies |
| Chugai Pharma | Yokohama, Japan | Small Molecules |
| VectorBuilder | Yokohama, Japan | Recombinant Vectors & Viruses |