Quality control

Quality policyIncrease customer confidence
with high quality products

Objective
Challenge to zero claims
Policy
Correct operations lead to the company's credibility
Correct design lead to the company's credibility
Regulation compliance lead to the company's credibility
Behavioral guidelines
  1. We will continuously improve the effectiveness of the quality management system.
  2. We will satisfy the requirements of customers, laws and regulations, and others, and aim to enhance customers' satisfaction.
  3. We will review the development of the quality policy on a regular basis.

President Toshiki Saburi

Quality management system in our company

Integrated production system by group

To manufacture thermistors, many processes, including selecting ceramic as the core material, compounding, sintering, and processing elements are necessary. In addition, thermistor applied products, such as a temperature sensor, need more processes. Therefore, management of manufacturing conditions in each process is important to maintain the product characteristics; accordingly, Ohizumi has achieved production of homogenized and high-quality thermistor products by consistently performing a series of processes in our group under the strict quality control.

Quality control system

Our group regards quality as to supply high-quality products that customers require as well as to prevent a failure from occurring and to solve a quality problem in a quicker manner than customers expect. We established the Quality Control Division for the former and the Quality Assurance Division for the latter to make a system to provide our customers with the best quality perfectly, and accordingly we always keep on holding superiority in quality that is the core of the company brand over competitors. With regard to the quality management system, all the plants and sales offices in our group have received the certificate of ISO 9001:2015.

In addition, the sensor manufacturing plant for automobile has received the certificate of IATF 16949:2016.

Scope of ISO 9001
Ohizumi Mfg. Co., Ltd.
Hakkoda Denshi Co., Ltd.
Sensor Kogyo Co., Ltd., 1st Plant
Sensor Kogyo Co., Ltd., Hachinohe Plant
Sensor Kogyo Co., Ltd., Gonohe Plant
Dongguan Ohizumi Sensor Co., Ltd.
OHIZUMI MFG (THAILAND) CO.,LTD.
Scope of IATF16949
Ohizumi Mfg. Co., Ltd.
Sensor Kogyo Co., Ltd., 1st Plant
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