Inventor · disambiguated record
Tadashi Hiraiwa
Also filed as: HIRAIWA TADASHI
9 granted patents·1 pending application·192 citations·filing 1986–2006
89Inventor score
Top patents by PatentIndex Score
10 records- 0184US4902649AHard tissue substitute compositionSHOWA DENKO KK·Filed 1987·Granted Feb 20, 1990·72 cites·16 claims
- 0278US5215551AAlumina-based ceramics materials, abrasive materials and method for the manufacture of the sameSHOWA DENKO KK·Filed 1990·Granted Jun 1, 1993·34 cites·10 claims
- 0373US5633084ACoated fused alumina particles and production process thereofSHOWA DENKO KK·Filed 1994·Granted May 27, 1997·24 cites·13 claims
- 0465US5387268ASintered alumina abrasive grain and abrasive productsSHOWA DENKO KK·Filed 1992·Granted Feb 7, 1995·19 cites·9 claims
- 0565US5304226AAbrasive grain and manufacture for the sameSHOWA DENKO KK·Filed 1992·Granted Apr 19, 1994·17 cites·2 claims
- 0665US5192339AAbrasive grain and method for manufacturing the sameSHOWA DENKO KK·Filed 1992·Granted Mar 9, 1993·17 cites·7 claims
- 0759US7722692B2Cerium oxide-based abrasive, and production method and use thereofSHOW A DENKO K K·Filed 2006·Granted May 25, 2010·2 cites·15 claims
- 0842US2007258875A1Mixed Rare Earth Oxide, Mixed Rare Earth Fluoride, Cerium-Based Abrasive Using the Materials and Production Processes ThereofSHOWA DENKO KK·Filed 2005·Application pending·0 cites
- 0929US4774068AMethod for production of mullite of high puritySHOWA DENKO KK·Filed 1986·Granted Sep 27, 1988·3 cites·4 claims
- 1029US4686774AMethod for dehydration of a composition of a fine powder and waterSHOWA DENKO KK·Filed 1986·Granted Aug 18, 1987·4 cites·12 claims
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