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Notice Concerning Status of Purchase of Treasury Shares and Conclusion of Purchases
2025.12.22
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High-Strength Steel Products
PC steel bars
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NEJIBON®
NAPP method (hollow PC steel bars)
Bi-prestressing construction method
ULBON 1275 high-strength shear reinforcement
ULBON spiral shear reinforcement for cast-in-place piles
Cap ten pile method of semi-rigid connections for cast-in-place
Double Stark®
ULBON deformed PC steel bar
ITW®
Ball screw shaft material
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Pre-hardened steel
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N-Tubrack® (Hollow rack bars)
Front-fork inner tubes
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Quenching equipment for PHV motor parts
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Hardening and tempering equipment for piston rods
Quenching equipment for shoes
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Horizontal heat treatment equipment
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General-purpose upright quenching equipment
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Other Applications
Slot lamination tape (for leaky coaxial cable)
Technical Information
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Induction heat treatment (quenching and tempering) technology
W (Double)-Tei® (Stabilized and low) distortion technology
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Non-oxidizing quenching
Surface modification technology centered on high-frequency heat treatment
“SRIQ®” Low-deformation induction contour hardening technology
"WIQ®" Double-hardened layer high-frequency hardening technology
“PALNIP": highly functional through synergy with nitriding
Wire Heat Treatment & Processing Technology
Al dente shaped bar steel (Surface-layer softened steel)
Localized high-strength steel
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Jikuhidai® Processing
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Heating coil design and manufacturing technologies
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Notice Concerning Status of Purchase of Treasury Shares and Conclusion of Purchases
2025.12.22