Inventor · disambiguated record
Masamichi Obitsu
Also filed as: OBITSU MASAMICHI
8 granted patents·180 citations·filing 1982–1993
89Inventor score
Top patents by PatentIndex Score
8 records- 0190US4985229AProcess for manufacturing fine zirconium oxide powderNISSAN CHEMICAL IND LTD·Filed 1987·Granted Jan 15, 1991·46 cites·9 claims
- 0288US4443496AAgent and method for modifying surface layer of cement structuresNISSAN CHEMICAL IND LTD·Filed 1982·Granted Apr 17, 1984·50 cites·13 claims
- 0369US4559241AMethod for preventing hardened cementitious material from deterioratingNISSAN CHEMICAL IND LTD·Filed 1984·Granted Dec 17, 1985·21 cites·13 claims
- 0467US5223176AZirconia sol and method for making the sameNISSAN CHEMICAL IND LTD·Filed 1992·Granted Jun 29, 1993·33 cites·13 claims
- 0554US5248463APreparation of zirconia sintered bodyNISSAN CHEMICAL IND LTD·Filed 1992·Granted Sep 28, 1993·13 cites·17 claims
- 0644US5279995AZirconia ceramicsNISSAN CHEMICAL IND LTD·Filed 1993·Granted Jan 18, 1994·7 cites·7 claims
- 0739US4521249ASilicate containing agent and cement surface modified with said agentNISSAN CHEMICAL IND LTD·Filed 1983·Granted Jun 4, 1985·6 cites·11 claims
- 0835US5177033ASintered body of light transmitting cordierite and a method of preparing the sameAGENCY IND SCIENCE TECHN·Filed 1991·Granted Jan 5, 1993·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →