Inventor · disambiguated record
Ryoichi Nakanishi
Also filed as: NAKANISHI RYOICHI
6 granted patents·42 citations·filing 1976–2003
79Inventor score
Top patents by PatentIndex Score
6 records- 0174US6529465B2Optical system for optical disk drivePENTAX CORP·Filed 2001·Granted Mar 4, 2003·11 cites·14 claims
- 0272US4087668AElectrical contactMEIDENSHA ELECTRIC MFG CO LTD·Filed 1976·Granted May 2, 1978·16 cites·7 claims
- 0357US6341106B1Optical disc driveASAHI OPTICAL CO LTD·Filed 1998·Granted Jan 22, 2002·13 cites·8 claims
- 0448US6996311B1Optical communication devicePENTAX CORP·Filed 2003·Granted Feb 7, 2006·2 cites·20 claims
- 0543US7050677B2Optical fiber and method for producing the samePENTAX CORP·Filed 2003·Granted May 23, 2006·0 cites·19 claims
- 0632US6624652B2Circuit board and system for testing the samePENTAX CORP·Filed 2001·Granted Sep 23, 2003·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →