Inventor · disambiguated record
Hitoshi Yoshioka
Also filed as: YOSHIOKA HITOSHI
8 granted patents·437 citations·filing 1990–1996
90Inventor score
Top patents by PatentIndex Score
8 records- 0193US5288333AWafer cleaning method and apparatus thereforeDAINIPPON SCREEN MFG·Filed 1992·Granted Feb 22, 1994·200 cites·12 claims
- 0283US5158100AWafer cleaning method and apparatus thereforDAINIPPON SCREEN MFG·Filed 1990·Granted Oct 27, 1992·87 cites·5 claims
- 0378US5856259APreparation process of supported catalyst for the synthesis of methacrolein and methacrylic acidMITSUBISHI RAYON CO·Filed 1995·Granted Jan 5, 1999·52 cites·4 claims
- 0468US5111372ADC-DC converterTOKO INC·Filed 1990·Granted May 5, 1992·38 cites·4 claims
- 0559US5082998ASwitching power supply for microwave ovenYUTAKA ELECTRIC MFG·Filed 1990·Granted Jan 21, 1992·21 cites·2 claims
- 0658US5171949ASwitching power supply for microwave ovenSANYO ELECTRIC CO·Filed 1990·Granted Dec 15, 1992·28 cites·6 claims
- 0739US5701169AIllumination system and exposure apparatus with demountable transparent protective memberCANON KK·Filed 1996·Granted Dec 23, 1997·8 cites·60 claims
- 0830US5086381ADC-DC converterTOKO INC·Filed 1990·Granted Feb 4, 1992·3 cites·2 claims
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