Company information
People, Technology and Future
Our motto, “People, Technology and Future,” represents our sincere desire to
realize people’s happiness toward the future through manpower and technology.
Company profile
- Company name
- Kawamura Sangyo Co., Ltd.
- Representative director
- Tsuneo Kawamura
- Paid capital
- 80 million yen
- Founding date
- December 2, 1967
- Number of employees
- 260 (April 1, 2023)
- Head Office &
Yokkaichi Plant - 330 Nishiogane, Yokkaichi, Mie 512-8052 Japan
Phone:+81-59-337-1122 - Kamiishizu Plant
- 580 Maegase, Kamiishizu, Ogaki, Gifu 503-1631 Japan
Phone:+81-584-45-3571 - Kazusa Plant
- 3-10 Kazusa-Koito, Kimitsu, Chiba 292-1149 Japan
Phone:+81-439-70-1122 - Tokyo Branch
- 5F Kuromon-Heisei Bldg. 1-18-9 Ueno, Taito-ku, Tokyo 110-0005 Japan
Phone:+81-3-5846-8228 - Osaka Sales Office
- 4F-D Centland Bldg. 3-23-16 Nishinakajima, Yodogawa-ku, Osaka 532-0011 Japan
Phone:+81-6-6476-7725 - Bank references
- Shokochukin Bank Yokkaichi Branch, Hyakugo Bank Tomida Branch,
MUFG Bank Yokkaichichuo Branch, San ju San Bank Head Office,
Japan Finance Corporation for Tsu Branch, Ogaki Kyoritsu Bank Kuwana Branch - Certification
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Products
We provide high-quality products by severe process and quality control.
Materials for TAB/COF
KAWAMURA supplies various materials for TAB/COF as a total supplier.
Polyimide laminate board
Polyimide laminate board exhibits excellent heat resistance as polyimide films are directly laminated without using adhesives.
Non-adhesive multilayered insulating material 
Namli® is a high performance multilayer electric insulating material which is manufactured by direct bonding of heat resistant insulating materials without adhesive.
Solvent-soluble polyimide
Solvent soluble polyimide powder which is soluble in various solvents gives heat resistant polyimide film with high transparency.
Backup tape
Removable PET base backup tape with acrylic pressure sensitive adhesive (PSA) which has low tack strength.
Stainless steel/polyimide material
Stainless steel/polyimide material is heat resistant because it does not use adhesive.
Slit products
Various materials for such as insulation and electronics applications are slit with proper specifications and in suitable circumstances to meet customer’s purposes.
Insulators for motors
KAWAMURA has been supplies various type of insulators for motors since our founding.
Insulators for transformers
KAWAMURA supplies insulators for transformers which are manufactured with large scale sawing machine and router.
Processing technologies
Advanced processing technologies with originality supports our manufacturing.
Plasma surface treatment
Our original reel to reel plasma treatment technology drastically improves wettability and adhesion performance of sheet materials.
Slitting
Various materials for such as insulation and electronic applications are precisely slit according to purpose.
Film/sheet forming
Various films and sheet materials are formed according to purpose.
Vacuum heat pressing
Plastic films and metal foils are heat pressed with heat pressing machine.
Reel to reel heat lamination
Plastic films and aramid papers are heat laminated with a reel to reel heat laminator.
Clean coating
We perform clean and precise coating.
Router processing
Forming of large scale and thick board is available.
Pure water cleaning
Plastic films and metal foils are cleaned with pure water.
Sputtering
Metallic materials are sputtered on substrates with reel to reel equipment.