Assignee
HIRAI ENG CORP
JP·5 granted patents·381 citations·filing 1990–1996
Top patents by PatentIndex Score
5 records- 0194US5706617ARoof system utilizing a solar cellHIRAI ENG CORP·Filed 1996·Granted Jan 13, 1998·171 cites·4 claims
- 0294US5497587ARoof system utilizing a solar cellHIRAI ENG CORP·Filed 1993·Granted Mar 12, 1996·139 cites·9 claims
- 0376US5367843ARoof apparatusHIRAI ENG CORP·Filed 1993·Granted Nov 29, 1994·38 cites·13 claims
- 0458US5406936ARoofHIRAI ENG CORP·Filed 1990·Granted Apr 18, 1995·18 cites·1 claims
- 0555US5531049ARoof mounted light transmitting frameHIRAI ENG CORP·Filed 1994·Granted Jul 2, 1996·15 cites·20 claims
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