SUMCO logo with blue geometric letters and a stylized U containing wave lines and an oval below.
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Kabushiki-gaisha Samuko

The SUMCO logo features a typographic wordmark rendered in Blue (#1c4e9d), establishing a memorable presence for the Japan electronics company.

Country: Japan

Industry: Electronics

Colors:

Website: Website

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SUMCO Corporation is a Japanese manufacturer specializing in silicon wafers, the substrates on which semiconductors are fabricated. The company was established in July 1999 as Silicon United Manufacturing Corp., a joint venture of Sumitomo Metal Industries, Mitsubishi Materials, and Mitsubishi Materials Silicon Corp. In February 2002, the company acquired Sumitomo Metal Industries’ silicon wafer business, merged with Mitsubishi Materials Silicon Corp., and changed its name to Sumitomo Mitsubishi Silicon Corp. In August 2005, the corporate name was changed to SUMCO CORPORATION. [1]

Design and History

The current SUMCO logo is a typographic wordmark. A trademark registration filed by SUMCO CORPORATION describes the mark as consisting of the wording “SUMCO” in dark blue, with the letter “U” in a lighter shade of blue featuring horizontal bands crossing the letter, and a dark blue oval positioned beneath the “U.” The white appearing in the horizontal stripes of the “U” represents a transparent area in the mark and is not claimed as a feature. [2]

SUMCO has also registered a separate symbol mark. A trademark registration for SUMCO CORPORATION describes a mark consisting of a circle within a stylized ring, with red appearing in the circle design and blue in the stylized ring design. [3]

Earlier trademark filings show different visual directions. A 2001 trademark application for the word “SUMCO” was filed in monochrome (black and white). [4] A separate international registration, filed around 2004, described a mark comprising the denomination “sumco” accompanied by a drawing of a triangle with a zone slightly detached from one of its apices, with the apex pointing toward the wordmark. [5]

Meaning and Symbolism

SUMCO’s official corporate materials do not publish an explanation of the logo’s symbolism or color meaning. The company’s stated mission is to be the world’s No. 1 silicon wafer supplier, and its vision includes “World’s Best in Technology” as a stated goal. [6]

Typography and Design

The SUMCO wordmark uses a custom letterform treatment in which the “U” is distinguished from the other letters by its lighter blue shade and horizontal banding. [2] No official source identifies the typeface used in the wordmark or attributes the design to a specific designer or agency.

Logo Index is an independent educational archive covering logos, visual identities and graphic design history. All trademarks and brand assets remain the property of their respective owners.

Logo data

Measured from the original SVG file on 30/09/2026.

Colors

2 colors

  • #1C4E9DBlue, 92%

    RGB 28, 78, 157; CMYK 82, 50, 0, 38

    White text 8.0:1 (passes AA)

  • #5BBAECBlue, 8.3%

    RGB 91, 186, 236; CMYK 61, 21, 0, 7

    Black text 9.7:1 (passes AA)

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Backgrounds and sizes

Contrast and color difference

Compared with Electronics

281 measured Electronics logos

Only 24% of Electronics logos in the archive use exactly 2 colors.

  • Main color blue32%
  • Wordmark57%
  • 2 colors24%

From measured files, not tags. Updated 28/10/2026.

Structure

Logo type
WordmarkClassified by AI
Proportions
2.7 : 1Horizontal
Ink coverage
31%69% empty space inside the outline
Symmetry
Asymmetric31% left-right match
Outline
Free-formOverall silhouette
Complexity
Moderate23 shapes, about 211 points

Tints and shades

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#1C4E9D

#5BBAEC

Typography

Lettering style: Geometric sans, uppercase.

This is a style class, not the exact font. The font has not been documented.

Free fonts in this style: Montserrat, Outfit, Urbanist

Visual description

Classified by AI

Symbol shows
Stylized U with water reflection
Style
Geometric, flat, minimal
Layout
Lettering on its own
Techniques
Letter used as symbol, negative space
Text in the logo
SUMCO

More blue Electronics logos

Same main color, same industry

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