Inventor · disambiguated record
Tadayuki Imai
Also filed as: IMAI TADAYUKI
29 granted patents·3 pending applications·198 citations·filing 1974–2020
96Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE25NAKAMURA KOUICHIROU2IMAI TADAYUKI1RICOH KK1SHIMOKOZONO MAKOTO1
Top patents by PatentIndex Score
32 records- 0186US7340116B2Optical switch, optical modulator and wavelength variable filterNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Mar 4, 2008·7 cites·22 claims
- 0281US6556531B1Multi-layered holographic read-only memory and data retrieval methodNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Apr 29, 2003·30 cites·13 claims
- 0379US11958129B2Laser processing deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Apr 16, 2024·1 cites·12 claims
- 0479US6281994B1Method and apparatus for three-dimensional holographic display suitable for video image displayNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Aug 28, 2001·61 cites·40 claims
- 0578US7492975B2Optical switch, optical modulator and wavelength variable filterNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Feb 17, 2009·14 cites·4 claims
- 0677US11422428B2Light deflectorNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Aug 23, 2022·1 cites·15 claims
- 0777US3947860ARemote focusing device for camerasRICOH KK·Filed 1974·Granted Mar 30, 1976·12 cites·7 claims
- 0870US7110652B2Optical waveguide and method of manufactureNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Sep 19, 2006·2 cites·5 claims
- 0970US6795232B2Wavelength converterNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Sep 21, 2004·12 cites·37 claims
- 1068US7764302B2Electrooptic deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Jul 27, 2010·2 cites·7 claims
- 1168US7356227B2Optical switch, optical modulator and wavelength variable filterNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Apr 8, 2008·3 cites·15 claims
- 1268US6792189B2Optical waveguide and method of manufactureNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Sep 14, 2004·8 cites·9 claims
- 1365US8648893B2Electrooptic deviceNAKAMURA KOUICHIROU·Filed 2010·Granted Feb 11, 2014·1 cites·5 claims
- 1464US8014061B2Variable-focal length lensNIPPON TELEGRAPH & TELEPHONE·Filed 2008·Granted Sep 6, 2011·2 cites·20 claims
- 1563US6996321B2Optical waveguide and method of manufactureNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Feb 7, 2006·6 cites·5 claims
- 1661US9372339B2Wavelength swept light sourceTOYODA SEIJI·Filed 2012·Granted Jun 21, 2016·2 cites·16 claims
- 1761US6654532B1Read-only laminated information recording medium and manufacturing method thereforNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Nov 25, 2003·28 cites·18 claims
- 1859US7336854B2Optical switch, optical modulator and wavelength variable filterNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Feb 26, 2008·1 cites·20 claims
- 1956US6811728B2Multi-layered holographic read-only memory and data retrieval methodNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Granted Nov 2, 2004·3 cites·7 claims
- 2052US8654167B2Electrooptic deviceNAKAMURA KOUICHIROU·Filed 2012·Granted Feb 18, 2014·0 cites·5 claims
- 2151US2021260693A1Laser Processing DeviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Application pending·0 cites
- 2250US7177514B2Optical waveguide material and optical waveguideNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Feb 13, 2007·2 cites·2 claims
- 2347US7570567B2Multi-layered holographic read-only memory and data retrieval methodNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Aug 4, 2009·0 cites·4 claims
- 2447US7340147B2Optical waveguide material and optical waveguideNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Mar 4, 2008·0 cites·4 claims
- 2543US12072604B2Control method of optical deflector, and optical deflection deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Aug 27, 2024·0 cites·6 claims
- 2642US7505644B2Optical memory reproduction apparatus and incidence positioning method for read light thereofNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Mar 17, 2009·0 cites·16 claims
- 2741US12072602B2Control method of optical deflector, and optical deflection deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Aug 27, 2024·0 cites·6 claims
- 2841US7591895B2Method and apparatus for producing crystalsNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Sep 22, 2009·0 cites·31 claims
- 2937US2006228089A1Variable wavelength optical filterSHIMOKOZONO MAKOTO·Filed 2004·Application pending·0 cites
- 3034US8773749B2Variable focusing lens and microscopeIMAI TADAYUKI·Filed 2010·Granted Jul 8, 2014·0 cites·18 claims
- 3132US7674737B2Optical medium, an optical lens and a prismNIPPON TELEGRAPH & TELEPHONE·Filed 2005·Granted Mar 9, 2010·0 cites·3 claims
- 3229US2002098418A1Optical materialsFiled 1997·Application pending·0 cites
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