About Us

Company Profile

Evolving over time, to be a visionary company. We believe that it is the ultimate work of the company.

Mission:Your Innovation Partner ~Lead Your Business to Success~

Vision: Development Type Maker ~Supporting The World’s Development~

Corporate Name SAIJOINX Co., Ltd.
Locations 5 Nishikotobuki-cho, Saiin, Ukyo-ku, Kyoto, Japan
President Shigeaki Suzuki
TEL,FAX TEL +81-75-312-8590: FAX +81-75-312-0041
E-mail info@saijoinx.co.jp (to Sales Dept.)
URL https://www.saijoinx.com/en/
Founded December 16, 1950
Established January 8, 1965
Capital 46 million yen
Net Sales 2,060 million yen (as of March 31,2014)
Primary Business Development (Solution for problems of heat) & Precise Metal Stamping & Insert Molding for Prototypes
Main Customers Omron Group Companies/ Murata Mfg.Co.,Ltd./ Fujitsu, Ltd./ Sumitomo Electric Industries, Ltd./ Panasonic Electric Group Companies/ Horiba, Ltd./ Hitachi Automotive Systems Group/ J.S.T. Mfg. Co.,Ltd./ Mitsumi Electric. Co., Ltd./ etc…
Main Products Electronic components (Connectors, Relays and Switches), Optical transmitters, Power modules, Car navigations, Analyzers, Fins and so on...
Account Kyoto bank and Kyoto chuo shinkin bank, Resona bank, and so on...
ISO規格 「ISO 9001」「ISO 14001」 京都本社取得済


Head Office 5 Nishikotobuki-cho, Saiin, Ukyo-ku, Kyoto, Japan
Smart Center 18 Nishikotobuki-cho, Saiin, Ukyo-ku, Kyoto, Japan
R&D Center 27-3 Nishikotobuki-cho, Saiin, Ukyo-ku, Kyoto, Japan
Yokohama Office 302Isis Plaza , 2-17-11 Shinyokohama, Kouhoku-ku, Yokohama, Kanagawa, Japan
Makishima Part Factory 84-7 Jyuichi,Makishima-cho, Uji, Kyoto, Japan
Affiliates Saijo Shisaku Solutions Co., ltd.
Kurayoshi Saijo Shisaku Solutions Co., ltd.
Tango Saijo INX Co., ltd.
LLP Tango Shisaku Solutions
Tottori Saijo INX Co., ltd. (Tottori city)
Global Network HongKong (logistic center)
Number of Employee 95 (153 in total of Saijo group/Average age 36.7)
Management Philosophy Our management philosophy is based on a respect of humanity. Mutual growth of both individual and company, creation a visionary company that contributes to social development.
Basic Philosophy Human, Dream, Growth
Corporate Concept Human, Dream, Growth.

“I” of SAIJO means human EYE. SAIJO INX would like to be the company, which is created and supported by human. We consider respect of humanity as primary management philosophy. And we respect also dream and strive to realize it. Dream is prime mover for human and companies.


December, 1950 Founded SAIJO Industry by Yoshiyuki Suzuki in Kyoto city
March , 1952 Started to deal with Tateishi Electronic Machinery Company (present Omron Group Companies)
November, 1954 Joined in the Kyoto Welding Ironworks Corporate Association
September, 1956 Transferred the original factory to another place in Kyoto
October, 1970 Established SAIJO Press Co., Ltd.
October, 1970 Made a capital increase of 10million yen
June, 1972 Founded the second factory
January, 1980 Founded the third factory
March, 1985 Founded the new office building Yoshiyuki Suzuki assumed the chairman & Saburo Suzuki assumed the new CEO
October, 1988 Made a capital increase of 10million yen
April, 1991 Changed the corporate name to SAIJOINX
June, 1999 Certified (Acquired) ISO9002
January, 2000 Enlarged the office by unifying into the head office & the second factory
December, 2001 Made a capital increase of 20million yen
June, 2002 Certified (Acquired) ISO14000 & ISO9000 (2000 years ver.)
October, 2002 Established Yokohama Office
August, 2004 Received "a project commissioned by the New Partnership in 2004" by ministry of Economy.
January, 2005 Received an award of " Research Award of Small to Medium Company in 2004.
February, 2006 Made a capital increase of 30million yen
December, 2006 Yokohama Office transferred to Shin-Yokohama
January, 2007 Received an award of "High-technologies company in Kyoto" in 2006.
March, 2007 Made a capital increase of 46million yen
June, 2008 Received an award of "one of the 300 small to medium companies in Japan which supports to create technologies for future" by ministry of Economy.
February, 2010 Sabro Suzuki assumed the chairman & Shigeaki Suzuki assumed the new CEO.
February, 2011 Established Smart Center.
May, 2015 Established Makishima Part Factory.
January, 2017 Established Tottori Saijo INX Co., ltd. (Tottori city)


Contact us

  • Kyoto:+81-75-312-8775
  • E-mail Address
  • Get a Quote

The Samples of Metal/Resin sets

Metal Part Ⅰ
Electronic ComponentsⅠ: Metal
Connectors, Relays, Switches, Motors, Antennas, etc.

Resin Parts Ⅱ
Electronic ComponentsⅡ: Resin
Housing, Base, Connectors, Switches, etc.

Metal Part Ⅲ
Electronic ComponentsⅢ
Lead Frames, Backlights, Power Modules, etc.

Metal Parts Ⅳ
Electronic ComponentsⅣ
Covers, Shield Cases, etc.

Drawing Processing
Drawing Parts
Circular Drawing, Square Drawing, Complex shaped Drawing, etc.

Mechanical Components
Various Mechanical Parts
Vehicle Components, Industrial Machine Parts, etc.

Mechanical Components
Plate Spring
Manufacturing from 1 piece by using general-purpose die sets.

  • What’s the our KNOW-HOW?

The Examples of Difficult Processing Products

Making Fins by Stamping
Fin Stamping
Offset Fins, Corrugated Fins, etc.

The Change of Method
No More Die Casting
Low-Costs, Weight-saving,etc.

Original Deep Drawing
One-shot Deep Drawing

Suitable for a Need of Strength,etc.

Kyoto Japan

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