| Year | M | Event |
|---|---|---|
| 1942 | 10 | Construction of new factory (site: 429,000 m2) in Sotobiwajima-cho, Nagoya City began.
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| 1946 | 8 | Former Nagoya Machinery Works (Iwatsuka) was founded, with operation of 5 factories (Iwatsuka, Daimon, Ogaki, Tozaki, Daiko).
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| 1947 | 12 |  |
| 12 | Production of Refrigerators and Ice-cream Freezers were produced at Furumi Factory. Former Nagoya Machinery works repaired freezer compressors for US occupation forces.  |
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| 1948 | Tsu Factory manufactured Compact Open Freezers. Iwatsuka Factory manufactured Ice-cream Freezers for US occupation forces. |
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| 1949 | 12 | Nagoya Works was founded. factories (former Nagoya machinery, Hishiwa Machinery, Furumi Machinery, Tsu Machinery) were consolidated.  |
| 1950 | 1 | Former Mitsubishi Heavy Industries, Ltd. was divided into 3 companies. Nakanihon Heavy Industries, Ltd. was founded. |
| 7 | Furumi Factory closed down. Production of Agricultural machinery was transferred to Oe Factory. Production of refrigerators was transferred to Iwatsuka Factory.
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| 1952 | 3 | |
| 4 | Tsu Factory was closed down.
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| 5 | The company name was changed from Nakanihon Heavy Industries, Ltd. to Shin Mitsubishi Heavy Industries, Ltd. Reinstates the Three Diamonds as company mark. Usage of trade names with Daiya (=diamonds) began for refrigerating products. |
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| 1953 | 1 | Semi-hermetic Refrigerators were put on sale.
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| 8 |  |
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| 1954 | 11 | The first Ice-cream Cone Freezer was introduced.
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| 1955 | 4 | The first and the second Ice-cream Cone Freezers were delivered to Yukijirushi Nyugyou (Snow Brand Milk Products Co., Ltd.).
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| 7 | Stockers with Showcase were delivered to Yukijirushi Nyugyou (Snow Brand Milk Products Co., Ltd.).
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| 1956 | 2 |  |
| 1957 | 3 | Daiya-Cooler (Diamond Air Conditioner) was developed. The first product was installed in a Toyopet Crown car.
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| 5 | 60 Ice-cream Cone Freezes were exported to Southeast Asian countries.
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| 5 | Compact Turbo Chillers were put on sale.
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| 10 | Freezer Assembly Plant was completed at Iwatsuka Factory.
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| 1958 | 6 | Turbo Chillers under 230 tons were transferred from Kobe Shipyard and Machinery Works.
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| 9 |  |
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| 9 | Single-stage Turbo Chillers was introduced for the first time in refrigeration market.
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| 1959 | 3 | Mass production of Bus Air Conditioners began. The engines were designed for Colt cars.
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| 6 | |
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| 8 | Daiya Refrigerator cars were delivered to Nihon Reito Corp.
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| 1960 | 7 | The first Heating Unit was introduced.
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| 10 | Former Nagoya Kiki Seisakujo (now Meiki) was founded (Iwatsuka,Daiko).
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| 1961 | 1 | A Residential Air-Conditioner assembly line was completed at Iwatsuka Factory.
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| 5 | The first hermetic-Turbo Chiller was introduced.
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| 7 |  |
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| 11 | Heat-pump Air Conditioners were on the sale.
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