- Telephone number: +81-563-75-3922
- FAX: +81-563-75-3933
- Website
Products, Expertise & Unique Technical Info
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Manufacturing category info
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Lap polishing（ Surface treatment / Lap polishing ） |
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NC lathe machining（ Development and production of prototype/Small-scale production / NC machining ） |
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Machining (vertical)（ Development and production of prototype/Small-scale production / NC machining ） |
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Wire electric discharge machining（ Development and production of prototype/Small-scale production / Electrical discharge machine ） |
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Cylindrical grinding（ Development and production of prototype/Small-scale production / Grinding processing ） |
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Plane grinding（ Development and production of prototype/Small-scale production / Grinding processing ） |
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General-purpose milling （ Development and production of prototype/Small-scale production / Machining ） |
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Cylindrical mirror grinding（ Development and production of prototype/Small-scale production / Grinding processing ） |
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General jig manufacturing（ Development and production of prototype/Small-scale production / Jig manufacturing ） |
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Machining/Handles small-scale production (order from 1 piece)（ Development and production of prototype/Small-scale production / Machining ） |
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Company info
| Company name | Ohno Seiko Co.,Ltd. | Website URL | http://www.ohnoseiko.com/en/ |
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| Street address |
Nishio-shi Aichi Japan
[See map] |
Person in charge | Hanai Masato |
| Telephone number | +81-563-75-3922 | Fax number | +81-563-75-3933 |
| Capital | 15,000,000 JPY | Employees | 230 |
| Annual sales | Unregister | EMIDAS Member Number | 80724 |
| Type of manufacturing | Jigs and tools / Machine tools / Industrial machinery | ||
| Main 3 products |
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PR message
Precision parts processing for automotive devices, processing for ultra-mirror finishing, prototype manufacturing, etc.
Most recent update：2025-11-21
Manufacturing category info
| Large | Medium | Small |
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| Development and production of prototype/Small-scale production | Machining | General-purpose milling General-purpose lathe machining Deep hole drilling Machining/Handles small-scale production (order from 1 piece) Iron Stainless steel High rigid material Aluminum alloy Copper alloy Titanium alloy Nickel alloy Machining (resin) Keyway milling Automatic lathe Milling (resin) Casting Handles microfabrication Titanium Brass |
| Development and production of prototype/Small-scale production | NC machining | Machining (vertical) Additional-axis machining NC milling NC lathe machining Combined lathe machining Machining (horizontal) Handles 2.5-dimensional processing Handles 3D processing |
| Development and production of prototype/Small-scale production | Electrical discharge machine | Wire electric discharge machining Micro hole machining Electric discharge machining |
| Development and production of prototype/Small-scale production | Grinding processing | Plane grinding Cylindrical grinding Cylindrical mirror grinding |
| Development and production of prototype/Small-scale production | Jig manufacturing | General jig manufacturing Jig and tool manufacturing |
| Development and production of prototype/Small-scale production | Prototype processing | Plastic protocol machining |
| Mass production | Mechanical processing | Machining NC turning machining Wire machining Iron Stainless Aluminum alloy High precision |
| Surface treatment | Polishing/Lapping | Mirror polishing |
| Surface treatment | Lap polishing | Lap polishing |
| Assembly/Inspection | Inspection | Measuring |
