Inventor · disambiguated record
Minoru Niigaki
Also filed as: NIIGAKI MINORU
37 granted patents·7 pending applications·340 citations·filing 1985–2014
97Inventor score
Top patents by PatentIndex Score
44 records- 0196US7816866B2Photocathode comprising a plurality of openings on an electron emission layerHAMAMATSU PHOTONICS KK·Filed 2006·Granted Oct 19, 2010·47 cites·14 claims
- 0288US7910895B2Luminous body, electron beam detector using the same, scanning electron microscope, and mass analysis deviceHAMAMATSU PHOTONICS KK·Filed 2005·Granted Mar 22, 2011·10 cites·8 claims
- 0380US6917058B2Semiconductor photocathodeHAMAMATSU PHOTONICS KK·Filed 2001·Granted Jul 12, 2005·26 cites·3 claims
- 0478US8164069B2Luminous body, electron beam detector using the same, scanning electron microscope, and mass analysis deviceUCHIYAMA SHOICHI·Filed 2011·Granted Apr 24, 2012·5 cites·9 claims
- 0577US5591986APhotoemitter electron tube and photodetectorHAMAMATSU PHOTONICS KK·Filed 1994·Granted Jan 7, 1997·26 cites·31 claims
- 0675US7030406B2Semiconductor photocathode and photoelectric tube using the sameHAMAMATSU PHOTONICS KK·Filed 2003·Granted Apr 18, 2006·11 cites·12 claims
- 0774US8446094B2Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tubeNIIGAKI MINORU·Filed 2010·Granted May 21, 2013·3 cites·14 claims
- 0873US6831341B2Photocathode having AlGaN layer with specified Mg content concentrationHAMAMATSU PHOTONICS KK·Filed 2001·Granted Dec 14, 2004·8 cites·4 claims
- 0972US5959400AElectron tube having a diamond field emitterHAMAMATSU PHOTONICS KK·Filed 1997·Granted Sep 28, 1999·23 cites·9 claims
- 1071US7795608B2PhotocathodeHAMAMATSU PHOTONICS KK·Filed 2008·Granted Sep 14, 2010·2 cites·4 claims
- 1171US7557336B2Photodetector having first and second antenna areas with patterns having different cycle intervalsHAMAMATSU PHOTONICS KK·Filed 2007·Granted Jul 7, 2009·2 cites·9 claims
- 1271US5986387ATransmission type electron multiplier and electron tube providedHAMAMATSU PHOTONICS KK·Filed 1997·Granted Nov 16, 1999·22 cites·11 claims
- 1371US5471051APhotocathode capable of detecting position of incident light in one or two dimensions, phototube, and photodetecting apparatus containing sameHAMAMATSU PHOTONICS KK·Filed 1994·Granted Nov 28, 1995·23 cites·26 claims
- 1470US7365356B2PhotocathodeHAMAMATSU PHOTONICS KK·Filed 2005·Granted Apr 29, 2008·2 cites·7 claims
- 1570US5982094AElectron tube with polycrystalline diamond photocathodeHAMAMATSU PHOTONICS KK·Filed 1997·Granted Nov 9, 1999·22 cites·10 claims
- 1669US7586968B2Heater-attached alkali-encapsulated cell and alkali laser apparatusHAMAMATSU PHOTONICS KK·Filed 2007·Granted Sep 8, 2009·3 cites·6 claims
- 1767US7176625B2Photocathode plate and electron tubeHAMAMATSU PHOTONICS KK·Filed 2004·Granted Feb 13, 2007·7 cites·4 claims
- 1865US8482197B2Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tubeNIIGAKI MINORU·Filed 2007·Granted Jul 9, 2013·1 cites·11 claims
- 1965US7030388B2Illuminant, and, electron beam detector, scanning electron microscope and mass spectroscope each including the sameHAMAMATSU PHOTONICS KK·Filed 2003·Granted Apr 18, 2006·6 cites·8 claims
- 2064US7208874B2Transmitting type secondary electron surface and electron tubeHAMAMATSU PHOTONICS KK·Filed 2003·Granted Apr 24, 2007·5 cites·13 claims
- 2162US7652425B2Transmission type photocathode including light absorption layer and voltage applying arrangement and electron tubeHAMAMATSU PHOTONICS KK·Filed 2003·Granted Jan 26, 2010·4 cites·12 claims
- 2262US6563264B2Photocathode and electron tubeHAMAMATSU PHOTONICS KK·Filed 2001·Granted May 13, 2003·5 cites·4 claims
- 2359US7002132B2Photocathode, electron tube, and method of assembling photocathodeHAMAMATSU PHOTONICS KK·Filed 2003·Granted Feb 21, 2006·4 cites·9 claims
- 2459US6002141AMethod of using photocathode and method of using electron tubeHAMAMATSU PHOTONICS KK·Filed 1995·Granted Dec 14, 1999·14 cites·17 claims
- 2558US5710435APhotomultiplier having a photocathode comprised of semiconductor materialHAMAMATSU PHOTONICS KK·Filed 1995·Granted Jan 20, 1998·13 cites·23 claims
- 2658US2014319637A1PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2014·Application pending·0 cites
- 2757US2015097156A1PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2013·Application pending·0 cites
- 2857US2015053922A1PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2013·Application pending·0 cites
- 2956US5680007APhotomultiplier having a photocathode comprised of a compound semiconductor materialHAMAMATSU PHOTONICS KK·Filed 1995·Granted Oct 21, 1997·12 cites·25 claims
- 3055US6903363B2PhotocathodeHAMAMATSU PHOTONICS KK·Filed 2003·Granted Jun 7, 2005·2 cites·1 claims
- 3155US5923045ASemiconductor photocathode and semiconductor photocathode apparatus using the sameHAMAMATSU PHOTONICS KK·Filed 1997·Granted Jul 13, 1999·12 cites·14 claims
- 3254US7045957B2Polycrystal diamond thin film and photocathode and electron tube using the sameHAMAMATSU PHOTONICS KK·Filed 2002·Granted May 16, 2006·2 cites·9 claims
- 3352US7214971B2Semiconductor light-receiving deviceHAMAMATSU PHOTONICS KK·Filed 2004·Granted May 8, 2007·4 cites·9 claims
- 3452US6933581B2Semiconductor chip, terahertz electromagnetic-wave device, and method of manufacturing theseHAMAMATSU PHOTONICS KK·Filed 2004·Granted Aug 23, 2005·5 cites·4 claims
- 3551US2008121928A1Semiconductor photocathodeHAMAMATSU PHOTONICS KK·Filed 2007·Application pending·0 cites
- 3651US2009273281A1Photocathode and electron tube having the sameHAMAMATSU PHOTONICS KK·Filed 2009·Application pending·0 cites
- 3750US9368661B2PhotodetectorHAMAMATSU PHOTONICS KK·Filed 2013·Granted Jun 14, 2016·0 cites·7 claims
- 3846US2005045866A1Photocathode having A1GaN layer with specified Mg content concentrationHAMAMATSU PHOTONICS KK·Filed 2004·Application pending·0 cites
- 3945US2008121909A1Semiconductor deviceHAMAMATSU PHOTONICS KK·Filed 2007·Application pending·0 cites
- 4041US5747826APhotoemitter electron tube, and photodetectorHAMAMATSU PHOTONICS KK·Filed 1996·Granted May 5, 1998·4 cites·22 claims
- 4138US7217932B2UV sensorHAMAMATSU PHOTONICS KK·Filed 2003·Granted May 15, 2007·0 cites·4 claims
- 4238US4605600ATransparent GaAs photoelectric layerHAMAMATSU PHOTONICS KK·Filed 1985·Granted Aug 12, 1986·5 cites·3 claims
- 4336US7094664B2Method for fabricating semiconductor photodetectorHAMAMATSU PHOTONICS KK·Filed 2001·Granted Aug 22, 2006·0 cites·3 claims
- 4427US5138191APhotoemitterHAMAMATSU PHOTONICS KK·Filed 1990·Granted Aug 11, 1992·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →