Inventor · disambiguated record
Sadayasu Tanikawa
Also filed as: TANIKAWA SADAYASU
8 granted patents·2 pending applications·112 citations·filing 1997–2005
87Inventor score
Files withMENICON CO LTD10
Top patents by PatentIndex Score
10 records- 0183US7261844B2Photochromic contact lens having excellent discoloring characteristicMENICON CO LTD·Filed 2005·Granted Aug 28, 2007·30 cites·16 claims
- 0283US6770728B2Process for preparing ocular lens with urethane compound and process for preparing urethane compound for medical instrumentsMENICON CO LTD·Filed 2002·Granted Aug 3, 2004·20 cites·10 claims
- 0374US6544953B2Ophthalmic compositionMENICON CO LTD·Filed 2001·Granted Apr 8, 2003·20 cites·30 claims
- 0473US6417144B2Solution for contact lensesMENICON CO LTD·Filed 2001·Granted Jul 9, 2002·11 cites·5 claims
- 0568US5919742AContact lens cleaning material formed of a polymerMENICON CO LTD·Filed 1997·Granted Jul 6, 1999·25 cites·13 claims
- 0656US6770727B2Process for preparing urethane compound for medical instrumentsMENICON CO LTD·Filed 2002·Granted Aug 3, 2004·2 cites·5 claims
- 0751US6495651B1Process for preparing urethane compound for medical instrumentsMENICON CO LTD·Filed 2000·Granted Dec 17, 2002·1 cites·9 claims
- 0842US2006052340A1Ophthalmic solutionMENICON CO LTD·Filed 2005·Application pending·0 cites
- 0942US2006035842A1Ophthalmic compositionMENICON CO LTD·Filed 2005·Application pending·0 cites
- 1033US5777032AOcular lens and a method for its productionMENICON CO LTD·Filed 1997·Granted Jul 7, 1998·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →