Assignee
NIHON CHIKASUI KAIHATSU KABUSH
JP·3 granted patents·77 citations·filing 1989–1991
Top patents by PatentIndex Score
3 records- 0163US5024553ANon-water-sprinkling type snow melting method and systemNIHON CHIKASUI KAIHATSU KABUSH·Filed 1989·Granted Jun 18, 1991·24 cites·13 claims
- 0262US5178485AHeat exchanging pipe system for uniformly heating road surfaces and the likeNIHON CHIKASUI KAIHATSU KABUSH·Filed 1991·Granted Jan 12, 1993·29 cites·2 claims
- 0355US5062736ASnow melting method utilizing heat retaining function of underground aquifer without sprinkling waterNIHON CHIKASUI KAIHATSU KABUSH·Filed 1989·Granted Nov 5, 1991·24 cites·2 claims
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