81565523441

Exclusive technology inForging

By overturning conventional technique and process concept we introduced a Forging technique into and developed a new possibility in the industry. Gear Wheel.

Our forged gear with high strength and complex design can be a solution for various needs.

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Global stage

Receiving many awards from satisfied customers throughout the world

O-OKA's presence

Japan, Asia
Europe
America
  • The 1st Craftwork Japan Grand Prix Excellent Prize
  • Chubu Science and  Technology Center  Special Award
  • The 4th Promoting Machine Industry Award
  • アイシンAI技術開発賞
  • EATON GOOD SUPPLIER PRIZE
  • GM SUPPLIER of the YEAR
  • GM Supplier Quality Exellence Award
  • VW Supplier Award nominated

All in house production.

Cost & lead time reduction due to integrated production.

  • Planning
  • Design
  • Tool production
  • Hot forgingTool production
  • heat treatment
  • Cold forging
  • Machining
  • Case hardening
  • Finishing (option)
  • Inspection
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Enhanced Production structure

O-OKA can supply any volume of orders upon Customer's request by our highly enhanced supply chain through our 4 plants in Toyota and 1 plant in Muroran/Hokkaido

Takaoka 3rd plant in 2015
Takaoka HQ, Sasabara plant, Takaoka Tool shop, Muroran plant, Takaona 2nd plant

Main Products

EV/HV/EB向けギア
Clutch Gear / Monoblock Gear / Reverse Gear / Sleeve / Park lock gear etc.
Sun/ Planetary gear / Internal gear / Park lock gear / Hub etc.
Engine gear / Sprocket / shafts etc.

Environmental Initiatives

Aiming for infinite harmony between the environment and corporate management, we are working to create a new prosperous society that coexists with nature, while communicating with our customers and the local community.

Commitment to Environmental Protection

Inquiry for products

by telephone or inquiry form below

81565523441inquiry form
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