Inventor · disambiguated record
Masaaki Doi
Also filed as: DOI MASAAKI
7 granted patents·1 pending application·177 citations·filing 1991–2007
86Inventor score
Top patents by PatentIndex Score
8 records- 0193US7098992B2Light source unit and wavelength stabilizing control method, exposure apparatus and exposure method, method of making exposure apparatus, and device manufacturing method and deviceNIKON CORP·Filed 2003·Granted Aug 29, 2006·90 cites·82 claims
- 0273US5452382AOptical waveguide device and optical microscope using the sameNIKON CORP·Filed 1994·Granted Sep 19, 1995·38 cites·28 claims
- 0364US6894826B2Light source unit and light irradiation unit, and device manufacturing methodNIKON CORP·Filed 2003·Granted May 17, 2005·11 cites·21 claims
- 0457US7719800B2Magnetoresistive effect element and manufacturing method thereof, and magnetic head, magnetic reproducing apparatus, and magnetic memory using the sameKABUHSIKI KAISHA TOSHIBA·Filed 2006·Granted May 18, 2010·3 cites·10 claims
- 0552US5140654AOptical waveguide device for polarization rotationNIKON CORP·Filed 1991·Granted Aug 18, 1992·17 cites·3 claims
- 0650US5293291AOptical integrated device for magneto-optical reproducing headNIKON CORP·Filed 1992·Granted Mar 8, 1994·8 cites·8 claims
- 0744US2008013218A1Magnetoresistive effect element, magnetic head, magnetic reproducing apparatus, and manufacturing method thereofTOSHIBA KK·Filed 2007·Application pending·0 cites
- 0840US5432881AOptical waveguide with overlapping diffusion regions containing different diffusion materialsNIKON CORP·Filed 1994·Granted Jul 11, 1995·10 cites·12 claims
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