Inventor · disambiguated record
Kazuhiko Sekiguchi
Also filed as: SEKIGUCHI KAZUHIKO
10 granted patents·394 citations·filing 1979–1997
92Inventor score
Top patents by PatentIndex Score
10 records- 0196US5654057ASheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording mediumHOYA CORP·Filed 1995·Granted Aug 5, 1997·143 cites·19 claims
- 0287US5916656ASheet glass flattening method, method of manufacturing an information recording glass substrate using flattened glass, method of manufacturing a magnetic disk using glass substrate, and magnetic recording mediumHOYA CORP·Filed 1997·Granted Jun 29, 1999·47 cites·7 claims
- 0386US5725625AMethod of manufacturing a magnetic recording disk using glass substrateHOYA CORP·Filed 1996·Granted Mar 10, 1998·76 cites·2 claims
- 0483US4815880ACard type writing instrumentZEBRA CO LTD·Filed 1987·Granted Mar 28, 1989·43 cites·5 claims
- 0569US5681609AMethod of manufacturing a magnetic recording diskHOYA CORP·Filed 1996·Granted Oct 28, 1997·22 cites·2 claims
- 0666USD307920SProtective end cap for a ball point penZEBRA CO LTD·Filed 1986·Granted May 15, 1990·11 cites·1 claims
- 0766US4283151ACompound writing instrumentZEBRA CO LTD·Filed 1980·Granted Aug 11, 1981·20 cites·4 claims
- 0861US4268183AComposite writing instrumentZEBRA CO LTD·Filed 1979·Granted May 19, 1981·15 cites·2 claims
- 0940US5482393ACorrectorZEBRA CO LTD·Filed 1994·Granted Jan 9, 1996·12 cites·6 claims
- 1038US4270869AComposite writing instrumentZEBRA CO LTD·Filed 1979·Granted Jun 2, 1981·5 cites·2 claims
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