Inventor · disambiguated record
Tetsuro Okamura
Also filed as: OKAMURA TETSURO
8 granted patents·2 pending applications·31 citations·filing 1995–2005
81Inventor score
Top patents by PatentIndex Score
10 records- 0169US7198376B2Illumination optical unit liquid crystal projector and production method of liquid crystal projectorSONY CORP·Filed 2002·Granted Apr 3, 2007·9 cites·9 claims
- 0266US7471611B2Zone phase correcting lens and optical head deviceNIDEC NISSIN CORP·Filed 2005·Granted Dec 30, 2008·2 cites·5 claims
- 0361US7027377B2Optical head device and objective lensSANKYO SEIKI SEISAKUSHO KK·Filed 2002·Granted Apr 11, 2006·5 cites·11 claims
- 0460US6987618B2Polarization converting device, illumination optical system and projectorSONY CORP·Filed 2004·Granted Jan 17, 2006·8 cites·1 claims
- 0543US2006007840A1Objective lens and optical head device provided with the sameHAYASHI KENICHI·Filed 2005·Application pending·0 cites
- 0639US7304934B2Lens, optical head apparatus, and objective lens for the optical head apparatusNIDEC SANKYO CORP·Filed 2004·Granted Dec 4, 2007·0 cites·12 claims
- 0738US2004131000A1Optical head device and objective lens for optical head deviceSANKYO SEIKI SEISAKUSHO KK·Filed 2003·Application pending·0 cites
- 0837US7139126B2Optical element, lens and optical head deviceNIDEC NISSIN CORP·Filed 2004·Granted Nov 21, 2006·0 cites·10 claims
- 0935US5768028AScanning opticsSANKYO SEIKI SEISAKUSHO KK·Filed 1995·Granted Jun 16, 1998·7 cites·6 claims
- 1027US7236313B2Ring zonal phase correction lens and optical system and optical head deviceNIDEC NISSIN CORP·Filed 2005·Granted Jun 26, 2007·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →