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Sumino Kogyo Co., Ltd.

Manufacturing Industry

President
Masahiro SUMINO (Mr.)
Year established
1906
Capital
45,000,000 yen
Sales
9,600,000,000 yen
Employees
240
Postal (zip) code
733-0833
Company address
8-1-62 Shoko Center, Nishi-ku, Hiroshima-shi
Phone
082-278-0010
Fax
082-277-9369
E-Mail
web-admin@sumino.co.jp
URL
http://www.sumino.co.jp
Corporate picture
Company PR
Starting with the production of clasps for tabi or traditional Japanese socks, Sumino Kogyo has recently been specializing in precision metal stamping. The company can handle any type of production, including for multiple products, large and small lots. Sumino Kogyo is currently producing 3,000 items, and is now attempting to obtain ISO-9002 certification. Sumino Kogyo obtained ISO-9002 certification in January 1998, ISO9001:2000 certification in November 2003, ISO14001 certification in August 2002, and ISO/TS16949 certification in October 2008.
Major Products
Small stamped, welded, or coated parts for automobiles
Parking Pole, Guide plate, and Automatic Transmission / Manual transmission Parts
Door hinge reinforcements
Hood lock stays, upper spring sheets
Various types of blankets, reinforcements and other miscellaneous items.
Major Customers
Mazda Motor Corp.
Visteon Corporation
JTEKT CORPORATION
Japan Climate Systems Co., Ltd
Aichi Machine Industry Co., Ltd
Nippon Chemi-Con Corporation
Continental Automotive Corporation
Major Facilities/Equipment
Transfer press
 200 t, 400 t, 500 t
Progressive press
 60 t, 80 t, 110 t, 200 t, 250 t, 300 t, 400 t, 500 t
Robot line
 60 t, 80 t, 150 t, 200 t
Resistance welding machine
 35 kVA, 50 kVA, 75 kVA, 100 kVA, 150 kVA, Capacitor type
Cation electro-deposition line
 Dipping bath: 60 × 900 × 1000
Technology Employed
Fabricated metal products manufacturing industry
Operates at a punching precision of ±0.02 and drawing precision of ±0.02.
Fabricated metal products manufacturing industry
Offers low-cost production of relatively small lots via the robot lines.
Fabricated metal products manufacturing industry
Offers low-cost, high-reliability production via automated equipment developed in-house.
Fabricated metal products manufacturing industry
Offers low-cost, high-quality production via automated equipment developed in-house. Also utilizes multiple technologies.
Fabricated metal products manufacturing industry
Offers highly reliable, low-cost sub-assembly technology via automatic checking machinery, etc., developed in-house.
Fabricated metal products manufacturing industry
With cation electro-deposition and black dipping machines, etc., offers anticorrosive capabilities of 720 hours.
Primary Area of Technical Expertise

Has a technical center and equipment production division to support mass production. With a dedicated and highly capable staff, carries out design and fabrication (based on CAD/CAM) of press dies; design and production of automatic stamping and welding machines. Ensures optimum quality and low-cost production.

Future Business Challenges
To actively carry out design activities to meet requests from customers.
To extend know-how relating to ultra-high precision plastic working (sizing) in order to achieve considerable cost cutting by eliminating the necessity for machining.
To shift emphasis from single item to function/assembly-oriented activities.
Future Technical Challenges
Fabricated metal products manufacturing industry
To attain a target of a 40% reduction in cost by eliminating the necessity for machining and extending know-how relating to ultra-high precision plastic working (sizing).
Fabricated metal products manufacturing industry
To ultimately be able to utilize unmanned lines, further automating existing lines via technology developed in-house.
Fabricated metal products manufacturing industry
To ultimately create an unmanned line, upgrading the level of in-house procurement of automated equipment to supply/dispense parts.
Other

Registered utility model: Board conveyance system using magazine Registered utility model: Equalizer for robots Registered utility model: Accumulation method and device to acquire stamping materials Registered utility model: Punching method and device for toothed parts Patent: Core production method, the core produced based on the method and the die used in the process Registered utility model: Backrest rising device for bed, security device

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