Inventor · disambiguated record
Toru Iwashima
Also filed as: IWASHIMA TORU
11 granted patents·1 pending application·296 citations·filing 1996–2004
91Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES12
Top patents by PatentIndex Score
12 records- 0191US6876791B2Diffraction grating deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Apr 5, 2005·59 cites·8 claims
- 0289US6067392AOptical fiber diffraction grating, a method of fabricating thereof and a laser light sourceSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted May 23, 2000·97 cites·23 claims
- 0376US6477308B2Optical waveguide devices and methods of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Nov 5, 2002·18 cites·8 claims
- 0469US6892003B2Variable dispersion compensator and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 10, 2005·11 cites·13 claims
- 0569US5859944AOptical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Jan 12, 1999·35 cites·67 claims
- 0667US6137931AMethod for determining a condition of aging for optical fiber gratingSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Oct 24, 2000·30 cites·9 claims
- 0764US6021242ADiffraction grating type band-pass filter and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Feb 1, 2000·29 cites·14 claims
- 0850US6483955B2Diffraction grating deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Nov 19, 2002·3 cites·5 claims
- 0943US6072927AOptical filterSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jun 6, 2000·11 cites·2 claims
- 1040US2004161196A1Diffraction grating device making method and apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Application pending·0 cites
- 1139US6504962B2Method for determining an aging condition for an optical waveguide grating and temperature sensorSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jan 7, 2003·0 cites·3 claims
- 1230US6292607B1Method for determining an aging condition for an optical waveguide grating and temperature sensorSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Sep 18, 2001·3 cites·18 claims
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