1987 |
Started manufacturing and selling heaters |
1990 |
Established ThreeHigh Co.,Ltd. with its head office in Kawasaki City, Kanagawa |
1994 |
Opened the Nagoya Factory in Nagoya City, Aichi Prefecture |
1995 |
Relocated to Miyamae ward, Kawasaki city to diversify the business |
1996 |
Launch of insulation jackets for various drum containers |
1997 |
- Established the Nagoya Factory as a local factory to strengthen our sales office
- Launched "K-11" heater for pail containers and 5 gallon containers
- Launched "K-21" drum heater
- Launched "K-22" drum heater
- Launched "K-31" heater for 4 & 6 liter can containers
- Launched "THC-15" digital temperature controller
|
2001 |
- Improved the "K-31" heater to be compatible with mini-can containers from Φ170 to Φ244.
- Started selling "Silicone Sponge"
|
2002 |
- Launched "Ribbon heater (tape heater)"
- Launched "Silicon Cord Heater"
- Launched "Silicon Belt Heater"
|
2003 |
- Launched "Cylinder Heater"
- Launched "K-11W" heater for pail containers and 5 gallon containers
- Launched "K-21W" drum heater
- Launched "K-22W" drum heater
- Launched "K-31W" heater for mini-can containers
|
2004 |
Moved headquarters office to current location |
2005 |
Acquired ISO14001 |
2007 |
- Acquired ISO9001
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology
|
2008 |
- Received the "3rd Excellent Company Award from Yokohama Chamber of Commerce and Industry"
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology
|
2009 |
- Makoto Ozawa is assigned to C.E.O.
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology
|
2010 |
- Launched temperature controller "monoone-100/100T"
- Certified as "Yokohama Local Contribution Company"
- Certified as "Made in Tsuzuki" local company
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology
- Certified as "Yokohama Local Valuable Company"
|
2011 |
- Launched temperature controller "monoone-200"
- Received the "Excellent Factory of Yokohama Award"
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Made in Tsuzuki" local company (renewal)
- Certified as "Green Site-licensed Participating Company"
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
|
2012 |
- Launched cementing spot heater "MASANORI"
- Launched "K-21W-PSE" PSE-compatible drum heater
- Launched "K-11W-PSE" PSE-compatible heater for pail containers and 5 gallon containers
- Launched temperature controller "monoone-120/120T"
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Made in Tsuzuki" local company (renewal)
- Certified as "Yokohama Local Contribution Company" (highest certification)
- Received "Yokohama Chamber of Commerce and Industry Excellence Award" (C.E.O.)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
|
2013 |
- Launched temperature controller "monoone-80"
- Launched temperature controller "monoone+"
- Certified as "Made in Tsuzuki" local company (renewal)
- Certified as"Yokohama Intellectual Property Mirai Corporation" (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Featured on TV news "Good Morning Japan" of NHK
|
2014 |
- Received "Kanagawa middle and small-sized companies' model factory" award
- Certified as "Made in Tsuzuki" local company (renewal)
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Yokohama Local Contribution Company" (highest certification)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Received special award of "8th Kanagawa Child and Child Care Award"
|
2015 |
- Featured on TV program of TV Kanagawa "News Harbor"
- Certified as "Made in Tsuzuki" local company (renewal)
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Received Incentive award of the "9th Yomiuri Child Raising Support Group Award"
- Received "ISO14001 - 10 year continuation award" (certified)
|
2016 |
- Certified as "Made in Tsuzuki" local company(renewal)
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Yokohama Local Contribution Company" (highest certification)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Certified as "Yokohama Local Contribution Company" (highest certification)
- Received excellence award of "Industrial Navi Grand Prize Sales Division"
- Established the Institute of Yokohama Model, Town and Human Development
|
2017 |
- Certified as "Made in Tsuzuki" local company (renewal)
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Visit of Mayor Hayashi of Yokohama City and Mayor Hatazawa of Tsuzuki ward
- Launched "GOEMON-100" bottom heater for 5 gallon container and pail container
- Certified as "1st Kanagawa ace company"
- Opened 2nd factory, "cafe&factory DEN" to expand operations
- Recevied "Middle and small-sized companies model factory award"
|
2018 |
- Featured on TV program of TV Kanagawa "Kanagawa Business Up To Date"
- Certified as "Made in Tsuzuki" local company (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Certified as "Yokohama Local Contribution Company" (Premium company)
- Opened our 3rd factory to expand operations
- Recevied "Middle and small-sized companies model factory award" (continuous)
|
2019 |
- Basic agreement on internship with Mapua University (Philippines)
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Made in Tsuzuki" local company (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Recevied "Middle and small-sized companies model factory award" (continued)
|
2020 |
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Made in Tsuzuki" local company (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Received "Incentive Award of 3rd Local Industry Revitalization Award"
- Certified as Kanagawa SDGs Partner
- Received "10 years of Yokohama Local Contribution Company Award"
- Launched temperature controller "monoone+ B" and "monoone+ W"
- Selected as "Company subjects to support for development of overseas markets"
- Received "Middle and small-sized companies model factory award" (continued)
- Website renewal
- Launched New original product "Wani Heater"
- Cabinet Office Minister of State for Special Missions Commendation "Children and Families / Youth Support Group Award (Children / Youth Development Support Division)" (Award)
- Launched Silicone sponge Square strips "white/dark gray"
- Appeared on FM Yokohama "Just Right Radio"
- Launched New origial product "Nukatama Buster"
|
2021 |
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Yokohama Local Contribution Company" (highest certification)
- Certified as "Made in Tsuzuki" local company (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Certified as Kanagawa SDGs Partner
- Selected as "Company subjects to support for development of overseas markets"
- Received "Middle and small-sized companies model factory award" (continued)
- Open own EC site
- Published in "IDEC Yokohama Support Cases 2021"
- 30th anniversary rebranding and logo renewal
- Yokohama City SDGs Certification System "Y-SDGs" Upper Category "Superior" (Certification)
- Launched "KINZO," a silicone sponge that reacts to metal detectors.
- Launched "Pipes heater", a heater exclusively for piping.
- Launched new sensor "TH-8500" screw-on stick type.
- Appearance on TV Kanagawa "Hamanavi"
- "monoOne" is registered as a trademark.
|
2022 |
- Certified as "Yokohama Intellectual Property Mirai Corporation" (renewal)
- Certified as "Yokohama Local Contribution Company" (highest certification)
- Certified as "Made in Tsuzuki" local company (renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science and Technology (renewal)
- Certified as Kanagawa SDGs Partner
- Selected as "Company subjects to support for development of overseas markets"
- Received "Middle and small-sized companies model factory award" (continued)
- Recognized as a 2022 Certified Health and Productivity Management Organization (Small and Medium Enterprise Category)
- Capital increased to 20 million yen
- Certified as "Kanagawa ace company"in 2022
|
2023 |
- Certified as a"Yokohama Intellectual Property Mirai Company" (Renewal)
- Certified as a "Yokohama Local Contribution Company" (Renewal - Highest Level Certification)
- Certified as a "Made in Tsuzuki" local company (Renewal)
- Participated in the career guidance provided by the Ministry of Education, Culture, Sports, Science, and Technology's Career Guidance (Renewal)
- Certfied as Kanagawa SDGs Partner
- Certified as a Healthy Management Excellent Corporation 2023 (Small and Medium-sized Enterprises Division)
- Received "Middle and small-sized companies model factory award" (continued)
- Received Kanagawa Small and Medium-sized Model Factory (Continued)
- Certified under the Yokohama Healthy Management Certification 2023 (Class AA)
- Increased capital to 30 million yen
|
2024 |
- Certified as a "Yokohama Intellectual Property Mirai Company" (Renewal)
- Certified as a "Yokohama local Regional Contribution Company" (Renewal - Highest Level Certification)
- Certified as a "Made in Tsuzuki" local company (Renewal)
- Participated in thecareer guidance provided by the Ministry of Education, Culture, Sports, Science, and Technology's Career Guidance (Renewal)
- Certified as a Kanagawa SDGs Partner (Certified)
- Certified as a Healthy Management Excellent Corporation 2024 (Small and Medium-sized Enterprises Division)
- Certified as a Kanagawa Small and Medium-sized Model Factory (Continued)
- Certified under the Yokohama Healthy Management Certification 2024 (Class AA)
- Established a Sapporo Sales Office in Sapporo, Hokkaido
- Launched a new product, the "IBC Heater"
Received the Special Jury Award at the "Japan's Most Important Company" Grand Prize
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