Inventor · disambiguated record
Yoshio Onizawa
Also filed as: ONIZAWA YOSHIO
5 granted patents·77 citations·filing 1984–1989
82Inventor score
Files withDAICEL CHEM5
Top patents by PatentIndex Score
5 records- 0177US4986938AProcess for producing plastic substrate for optical disksDAICEL CHEM·Filed 1989·Granted Jan 22, 1991·21 cites·8 claims
- 0264US4741689AInjection mold for an optical diskDAICEL CHEM·Filed 1986·Granted May 3, 1988·24 cites·3 claims
- 0349US4627809AMetal mold and stamper for injection molding of a plastic disc for a high-density information recording carrierDAICEL CHEM·Filed 1984·Granted Dec 9, 1986·14 cites·9 claims
- 0447US4841501APlastic substrate for optical disk and process for producing the sameDAICEL CHEM·Filed 1987·Granted Jun 20, 1989·6 cites·5 claims
- 0542US4764331ALarge diameter optical disk substrate made of polycarbonateDAICEL CHEM·Filed 1987·Granted Aug 16, 1988·12 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →