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Inventor: Utsumi; Yoshitsugu
Address: Tokyo, JP
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D332147 |
Bay window |
December 29, 1992 |
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| D331468 |
Bay window |
December 1, 1992 |
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| 5161593 |
Shutter assembly for a bay window |
November 10, 1992 |
| A shutter assembly for a bay window to close an opening by moving a shutter curtain upward from a containing space in the bottom of the bay window and to open it by way of a downward movement of the curtain under the influence of a coil spring. The basic driving system for the shutter is |
| 4979331 |
Hothouse for cultivation |
December 25, 1990 |
| The hothouse for cultivation according to the present invention relates especially to a hothouse for cultivation enclosed with transparent members, wherein reflexion plates are provided on the northern side for reflecting the sunlight toward the soil surface inside the hothouse, and |
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