
| Foundation |
| 1980's |
| '80 | Komame F200 mini-tiller released. HS35 snowblower released. |
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| '81 | Total power product production reaches 5 million units. |
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| '83 | GX series OHV 4-stroke power product engines released. |
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| '85 | Total power product production reaches 10 million units. Chikaramaru HP250 power carrier released. |
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| '89 | Total power product production reaches 15 million units. |
| 1990's |
| '92 | Total power product production reaches 20 million units. |
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| '93 | Honda’s power product engines first in the world to meet California emissions regulations. |
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| '95 |
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| '97 | Total power product production reaches 30 million units. GX22/23, world’s first 360°-tilting, 4-stroke engines, released. |
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| '98 | GENE 21 generators released. |
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| '99 | MonPal ML100 electric wheelchair released. |
| 2000's |
| '00 | “e-SPEC” power product environmental technology standard developed. Total power product production reaches 40 million units. |
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| '01 | HS1390i hybrid snowblower released. |
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| '02 | Total power product production reaches 50 million units. |
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| '03 | Compact household cogeneration unit released. |
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| '04 | Total power product production reaches 60 million units. |
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| '05 | The next-generation iGX440, the world’s first electronically controlled general-purpose engine, released. Total power product production reaches 70 million units. |
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| '06 | Four-wheeled electric scooter Monpal ML200 released. |
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| '07 | Sales of thin-film solar cells for home use begin nationwide in Japan. |
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| '08 | Sales of thin-film solar cell for public and industrial use begin. Total power product production reaches 80 million units. |
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| '09 | Pianta butane gas-canister-powered mini-tiller released. Total power product production reaches 90 million units. |
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| '10 | Enepo butane gas-canister-powered generator released. iGX and GX series of general-purpose engines released. |
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| '11 | Supply of all-new household gas engine cogeneration units to gas companies begins. Total power product production reaches 100 million units. |