Torishima
Torishima Pump Mfg. Co., Ltd. is a Japanese pump manufacturer, founded in 1919 and listed on the Tokyo Stock Exchange Prime Market, that uses hybrid metal additive manufacturing to remanufacture and repair legacy infrastructure pump components such as impellers and propellers.
- CEO / Founder
- Kotaro Harada
- Stage
- Public
- Latest Round
- Post-IPO
Technology & Products
Key Products
Centrifugal pumps; Trisheal mechanical seals; next-generation energy pumps (liquid hydrogen, liquid ammonia); metal AM-manufactured pump impellers and integrated propellers; rotating machinery monitoring system (TR-COM); water-submersible motor-integrated pumps
Technological Advantage
In-house hybrid metal AM (DED + 5-axis milling) production line for legacy pump component remanufacturing, avoiding traditional pattern-making and casting lead times
Differentiation
Value Proposition
Uses a hybrid metal AM machine (laser metal deposition plus 5-axis milling) to produce pattern-less replacement pump parts, cutting lead time for aging infrastructure pump refurbishment from roughly six months to as little as two weeks.
How They Differentiate
Long-established (100+ year) pump OEM applying metal AM internally to its own aftermarket/MRO supply chain rather than selling AM systems or services externally
Market & Competition
Target Customers
Operators of aging water infrastructure, energy, and industrial pump installations requiring maintenance and replacement parts
Industry Verticals
Water infrastructure, energy (including hydrogen/ammonia), oil & gas, chemical, power generation
Competitors
Ebara Corporation; KSB (also an early adopter of additive manufacturing for pumps/valves); Sulzer; Flowserve - Torishima differs from most of these by applying AM primarily to its own aftermarket/MRO remanufacturing pipeline rather than positioning AM as a standalone product line
Growth & Milestones
Growth Metrics
TSE Prime-listed (ticker 6363); market capitalization approximately ¥76-92 billion as of mid-2026; listed since 1949; recently expanded via acquisition of Shin Nippon Machine Manufacturing (2026)
Major Milestones
2026: expanded use of hybrid metal AM (DMG Mori Lasertec 65 3D) to manufacture integrated pump impellers/propellers, cutting lead time to as little as two weeks; 2026: acquired Shin Nippon Machine Manufacturing to accelerate pump business growth