Inventor · disambiguated record
Toshikazu Nagaura
Also filed as: NAGAURA TOSHIKAZU
8 granted patents·1 pending application·191 citations·filing 1991–2001
88Inventor score
Files withSHARP KK8
Top patents by PatentIndex Score
9 records- 0189US5399461AOptical disk for use in optical memory devicesSHARP KK·Filed 1993·Granted Mar 21, 1995·81 cites·4 claims
- 0280US5490131AOptical diskSHARP KK·Filed 1991·Granted Feb 6, 1996·31 cites·29 claims
- 0377US5820795AManufacturing method of magneto-optical master diskSHARP KK·Filed 1995·Granted Oct 13, 1998·31 cites·18 claims
- 0465US5500850AOptical disk with grooves and pits of different depthsSHARP KK·Filed 1994·Granted Mar 19, 1996·13 cites·6 claims
- 0563US5587994ACartridge used for a disc-shaped recording mediumSHARP KK·Filed 1994·Granted Dec 24, 1996·15 cites·22 claims
- 0653US5331625AOptical disc with antistatic coating containing tin oxide and phosphorousSHARP KK·Filed 1992·Granted Jul 19, 1994·9 cites·5 claims
- 0751US6067285AOptical discSHARP KK·Filed 1993·Granted May 23, 2000·8 cites·7 claims
- 0835US2001024415A1Integrated unit and optical pickupFiled 2001·Application pending·0 cites
- 0933US5453975AOptical disc with surface coating and manufacturing method thereforSHARP KK·Filed 1994·Granted Sep 26, 1995·3 cites·15 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →