Inventor
Minoru Niigaki
Inventor
Hamamatsu, JP
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps59%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation12%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
Y10TTechnical subjects covered by former us classification4%
B82YSpecific uses or applications of nanostructures2%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
H01LSemiconductor devices2%
H01QAntennas, i.e. radio aerials2%
PatentTitleYear
9,368,661'Photodetector'20168,482,197'Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tube'20138,446,094'Photocathode, electron tube, field assist type photocathode, field assist type photocathode array, and field assist type electron tube'20138,164,069'Luminous body, electron beam detector using the same, scanning electron microscope, and mass analysis device'20127,910,895'Luminous body, electron beam detector using the same, scanning electron microscope, and mass analysis device'20117,816,866'Photocathode comprising a plurality of openings on an electron emission layer'20107,795,608'Photocathode'20107,652,425'Transmission type photocathode including light absorption layer and voltage applying arrangement and electron tube'20107,586,968'Heater-attached alkali-encapsulated cell and alkali laser apparatus'20097,557,336'Photodetector having first and second antenna areas with patterns having different cycle intervals'20097,365,356'Photocathode'20087,217,932'UV sensor'20077,214,971'Semiconductor light-receiving device'20077,208,874'Transmitting type secondary electron surface and electron tube'20077,176,625'Photocathode plate and electron tube'20077,094,664'Method for fabricating semiconductor photodetector'20067,045,957'Polycrystal diamond thin film and photocathode and electron tube using the same'20067,030,406'Semiconductor photocathode and photoelectric tube using the same'20067,030,388'Illuminant, and, electron beam detector, scanning electron microscope and mass spectroscope each including the same'20067,002,132'Photocathode, electron tube, and method of assembling photocathode'20066,933,581'Semiconductor chip, terahertz electromagnetic-wave device, and method of manufacturing these'20056,917,058'Semiconductor photocathode'20056,903,363'Photocathode'20056,831,341'Photocathode having AlGaN layer with specified Mg content concentration'20046,563,264'Photocathode and electron tube'20036,002,141'Method of using photocathode and method of using electron tube'19995,986,387'Transmission type electron multiplier and electron tube provided'19995,982,094'Electron tube with polycrystalline diamond photocathode'19995,959,400'Electron tube having a diamond field emitter'19995,923,045'Semiconductor photocathode and semiconductor photocathode apparatus using the same'19995,747,826'Photoemitter electron tube, and photodetector'19985,710,435'Photomultiplier having a photocathode comprised of semiconductor material'19985,680,007'Photomultiplier having a photocathode comprised of a compound semiconductor material'19975,591,986'Photoemitter electron tube and photodetector'19975,471,051'Photocathode capable of detecting position of incident light in one or two dimensions, phototube, and photodetecting apparatus containing same'19955,138,191'Photoemitter'19924,605,600'Transparent GaAs photoelectric layer'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2016Patents assigned to HAMAMATSU PHOTONICS KK (37)· patent assignee history
1986–2016Based in Hamamatsu, JP· patent location history
1992Based in Shizuoka, JP· patent location history
2012–2013Patents assigned to NIIGAKI MINORU (3)· patent assignee history
2013Patents assigned to FUJIWARA HIROYASU (2)· patent assignee history
2013Patents assigned to HIGUCHI AKIRA (2)· patent assignee history
2013Patents assigned to HIROHATA TORU (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HAMAMATSU PHOTONICS KK | 37 | 1986–2016 |
| NIIGAKI MINORUself | 3 | 2012–2013 |
| FUJIWARA HIROYASU | 2 | 2013 |
| HIGUCHI AKIRA | 2 | 2013 |
| HIROHATA TORU | 2 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 36 | 1986–2016 |
| Shizuoka, JP | 1 | 1992 |