Inventor · disambiguated record
Isao Sugawara
Also filed as: SAKAMOTO SHIGERU · SUGAWARA ISAO
7 granted patents·238 citations·filing 1975–2000
87Inventor score
Top patents by PatentIndex Score
7 records- 0181US5635826AInput waveform follow-up AC power source systemCHIYODA CHEM ENG CONSTRUCT CO·Filed 1995·Granted Jun 3, 1997·67 cites·16 claims
- 0275US5856712AUninterruptible power supply methodHITS LAB I·Filed 1997·Granted Jan 5, 1999·76 cites·35 claims
- 0373US4217762AIce making equipmentTAISEI CORP·Filed 1979·Granted Aug 19, 1980·24 cites·25 claims
- 0466US6067243AAC-AC/DC converterHITS LAB CORP I·Filed 1996·Granted May 23, 2000·41 cites·14 claims
- 0563US6236192B1AC voltage regulatorHITS LAB I·Filed 2000·Granted May 22, 2001·19 cites·8 claims
- 0658US4010792AMethod for continuously casting steelNIPPON KOKAN KK·Filed 1975·Granted Mar 8, 1977·8 cites·1 claims
- 0726US4390939AElectric power source deviceCHIYODA KK·Filed 1981·Granted Jun 28, 1983·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →