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Japan Transformers Works Co., Ltd. was founded for manufacturing telecommunication-use transformers in Taito-ku, Tokyo. |
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Moved the Head office to Itabashi-ku, Tokyo |
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Changed the company name to Sanritsu Electric Co., Ltd. |
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Became a designated repeater coil manufacturer for the Ministry of Telecommunications |
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Started development and manufacturing of transistor radios. |
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Started manufacturing various types of coils for Crossbar exchange. |
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Started development of plastic polarizers |
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Fujioka Plant was constructed and started manufacturing various types of coils there. |
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Succeeded in the development of plastic polarizers. Started their production at Narimasu Plant. |
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Achieved exports of one million transistor radios with per one model. |
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Constructed a manufacturing line for plastic polarizers at Fujioka Plant, and started production. |
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Constructed Kawagoe Plant. Started its operation as a plant for manufacturing various types of coils for Crossbar exchange. |
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Developed durable polarizers and multi-color polarizers. |
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Developed polarizers for high-contrast application and started their mass production. |
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Constructed Sendai Plant for the mass production of communications equipment. Completed building a Clean workshop to Process for polarizers in Fujioka Plant. |
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Changed the company name to Sanritz Corporation. Completed construction of the Head office building at Narimasu, Itabashi-ku, Tokyo.
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Started the mass production of subscriber arrester with remote transfer function for NTT.
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Constructed Toyama Plant. Started its operation of the automated polarizer mass production line. |
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Developed polarizers with retardation film for wide viewing and high contrast applications and started their mass production.
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Telecom System Engineering Division acquired ISO9001 Certification.
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Optical Division acquired ISO9001 Certification.
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Management Division and Telecom System Engineering Division acquired ISO14001 Certification.
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Developed polarizers with retardation film for reflection and translucent LCD panels and started their mass production.
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Established an affiliated company in Korea.
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Addition of Fab4 at Toyama Plant.
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Optical Division acquired ISO14001 Certification.
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Constructed Nyuzen Plant to strengthen the system of the production increase
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