Inventor · disambiguated record
Hisayoshi Toratani
Also filed as: TORATANI HISAYOSHI
15 granted patents·574 citations·filing 1977–1999
94Inventor score
Top patents by PatentIndex Score
15 records- 0198US6214429B1Disc substrates for information recording discs and magnetic discsHOYA CORP·Filed 1998·Granted Apr 10, 2001·229 cites·75 claims
- 0290US4217382AEdge-cladding glass of disc laser glassHOYA CORP·Filed 1979·Granted Aug 12, 1980·36 cites·2 claims
- 0383US5981015AMethod for selecting a material suitable for a substrate for information recording media, material selected using this method, and magnetic disk formed using this materialHOYA CORP·Filed 1997·Granted Nov 9, 1999·38 cites·33 claims
- 0482US4693910AProcess for producing porous antireflective coatingsHOYA CORP·Filed 1985·Granted Sep 15, 1987·43 cites·3 claims
- 0580US6063470ASubstrate for information recording media and magnetic discHOYA CORP·Filed 1997·Granted May 16, 2000·59 cites·11 claims
- 0679US6187407B1Glass substrate for magnetic recording medium and method of manufacturing the sameHOYA CORP·Filed 1998·Granted Feb 13, 2001·32 cites·11 claims
- 0770US6066359AProcess for producing titanium oxide thin film, and photocatalystYAO TAKESHI·Filed 1997·Granted May 23, 2000·33 cites·70 claims
- 0869US6313947B1Light polarizing glass containing copper particles and process for preparation thereofHOYA CORP·Filed 1999·Granted Nov 6, 2001·33 cites·6 claims
- 0965US4108673AOptical phosphate glass in which the length of the light path is temperature independentHOYA CORP·Filed 1977·Granted Aug 22, 1978·20 cites·1 claims
- 1061US5053165AGlass of improved thermal shock resistance for high average power solid state laser systemHOYA OPTICS INC·Filed 1989·Granted Oct 1, 1991·19 cites·5 claims
- 1154US4883523AAvoidance of surface deterioration of glass during strengthening processesRAYCHEM CORP·Filed 1988·Granted Nov 28, 1989·14 cites·28 claims
- 1236US5764661ALaser glasses and laser glass fibersHOYA CORP·Filed 1995·Granted Jun 9, 1998·5 cites·41 claims
- 1336US5246892AFaraday rotation glassHOYA CORP·Filed 1992·Granted Sep 21, 1993·7 cites·9 claims
- 1435US5856882AOptical fibers and optical fiber amplifiersHOYA CORP·Filed 1996·Granted Jan 5, 1999·5 cites·23 claims
- 1523US4547402AMethod of increasing the thermal shock resistance of phosphate laser glassHOYA CORP·Filed 1984·Granted Oct 15, 1985·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →