Inventor · disambiguated record
Yoshihisa Ogawa
Also filed as: OGAWA YOSHIHISA
8 granted patents·119 citations·filing 1975–1999
88Inventor score
Files withNISSAN CHEMICAL IND LTD2DATA CARD CORP1NOZAKI INSATSU SHIGYO KABUSHIK1NOZAKI TATSUZO1SPEEDFAM CO LTD1
Top patents by PatentIndex Score
8 records- 0171US6290580B1Polishing method for silicon wafers which uses a polishing compound which reduces stainsSPEEDFAM PEC CO LTD·Filed 1999·Granted Sep 18, 2001·28 cites·7 claims
- 0270US6238272B1Polishing compound and a polishing method for silicon waferSPEEDFAM IPEC CO LTD·Filed 1999·Granted May 29, 2001·23 cites·12 claims
- 0365US4291127APlasticizer compositionNISSAN CHEMICAL IND LTD·Filed 1980·Granted Sep 22, 1981·16 cites·4 claims
- 0459US4860028APrint head assemblyDATA CARD CORP·Filed 1986·Granted Aug 22, 1989·12 cites·8 claims
- 0555US6300249B1Polishing compound and a method for polishingSPEEDFAM CO LTD·Filed 1999·Granted Oct 9, 2001·20 cites·3 claims
- 0654US4031194AContinuous process for preparing bromineNISSAN CHEMICAL IND LTD·Filed 1976·Granted Jun 21, 1977·12 cites·2 claims
- 0733US4025956APrinting machineNOZAKI INSATSU SHIGYO KABUSHIK·Filed 1975·Granted May 24, 1977·6 cites·2 claims
- 0819US4186416ARecord reading device for magnetized tagsNOZAKI TATSUZO·Filed 1978·Granted Jan 29, 1980·2 cites·2 claims
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