Thermonik ENG was established in 2025, but its technical foundation traces back to high-temperature and high-vacuum electric-furnace engineering that began in 1982, followed by decades of manufacturing, R&D and international supply within the Thermonik group.
Koho Engineering was established in Taito, Tokyo, beginning the design and manufacture of high-temperature, high-vacuum electric furnaces and research furnaces for advanced materials.
The company was renamed Thermonik Co., Ltd. and established its own factory in Yotsukaido, Chiba.
Thermonik Inc. was established in Gyeonggi-do, Republic of Korea, creating a manufacturing and supply structure based on technical collaboration.
Patents were registered for single-crystal growth furnace technology, exports to the United States and China began, and the company received venture-company certification.
Exports expanded to Taiwan and Europe, together with participation in the BATTERY exhibition in Japan.
Patents were registered for graphite-heater furnaces, furnace heaters and related thermal-processing technology.
Thermonik Co., Ltd. relocated its head office to Funabashi, Chiba.
Thermonik Inc. moved to a new facility incorporating a dedicated furnace test center.
Thermonik ENG Inc. was established in Narashino, Chiba, providing a dedicated technical and commercial interface in Japan for Thermonik furnace systems.
The group’s engineering heritage began with the design and manufacture of high-temperature, high-vacuum and research electric furnaces in 1982.
After establishing the Korean operation, the group expanded its supply footprint to the United States, China, Taiwan and Europe.
In 2021, Thermonik Inc. moved to a new facility with an integrated test center, strengthening process-development and equipment-validation capability.
