Hiroyasu Fujiwara

Person

Hamamatsu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Terahertz wave optical element and method for producing terahertz w...
- Patent number 12,135,444
- Issue date Nov 5, 2024
- Hamamatsu Photonics K.K.
- Shohei Hayashi
- G02 - OPTICS
Information Patent Grant
Terahertz wave optical element and method for producing terahertz w...
- Patent number 11,774,651
- Issue date Oct 3, 2023
- Hamamatsu Photonics K.K.
- Shohei Hayashi
- G02 - OPTICS
Information Patent Grant
Photodetector element
- Patent number 11,004,999
- Issue date May 11, 2021
- Hamamatsu Photonics K.K.
- Wei Dong
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Photodetection element having a periodic nano-concave/convex structure
- Patent number 10,784,393
- Issue date Sep 22, 2020
- Hamamatsu Photonics K.K.
- Hiroyasu Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photodetection element
- Patent number 10,686,094
- Issue date Jun 16, 2020
- Hamamatsu Photonics K.K.
- Wei Dong
- G02 - OPTICS
Information Patent Grant
Photocathode, electron tube, field assist type photocathode, field...
- Patent number 8,482,197
- Issue date Jul 9, 2013
- Hamamatsu Photonics K.K.
- Minoru Niigaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photocathode, electron tube, field assist type photocathode, field...
- Patent number 8,446,094
- Issue date May 21, 2013
- Hamamatsu Photonics K.K.
- Minoru Niigaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Signal waveform measuring apparatus and method comprising a wavelen...
- Patent number 8,183,514
- Issue date May 22, 2012
- Hamamatsu Photonics K.K.
- Hiroyasu Fujiwara
- G01 - MEASURING TESTING
Information Patent Grant
Waveguide structure and optical device
- Patent number 7,787,735
- Issue date Aug 31, 2010
- Hamamatsu Photonics K.K.
- Hiroyasu Fujiwara
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Wavelength-converted light generating apparatus and generating method
- Patent number 7,764,421
- Issue date Jul 27, 2010
- Hamamatsu Photonics K.K.
- Hiroyasu Fujiwara
- G02 - OPTICS
Information Patent Grant
Photodetector having first and second antenna areas with patterns h...
- Patent number 7,557,336
- Issue date Jul 7, 2009
- Hamamatsu Photonics K.K.
- Minoru Niigaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING OPTICAL DETECTION ELEMENT AND OPTICAL DETEC...
- Publication number 20240194816
- Publication date Jun 13, 2024
- HAMAMATSU PHOTONICS K. K.
- Kazutoshi NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PHOTODETECTION ELEMENT AND METHOD FOR MANUFACTURING PHOTODETECTION...
- Publication number 20240105870
- Publication date Mar 28, 2024
- HAMAMATSU PHOTONICS K. K.
- Kazutoshi NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TERAHERTZ WAVE OPTICAL ELEMENT AND METHOD FOR PRODUCING TERAHERTZ W...
- Publication number 20230324591
- Publication date Oct 12, 2023
- HAMAMATSU PHOTONICS K. K.
- Shohei HAYASHI
- G02 - OPTICS
Information Patent Application
LASER MODULE
- Publication number 20220209505
- Publication date Jun 30, 2022
- Hamamatsu Photonics K.K.
- Kazuue FUJITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TERAHERTZ WAVE OPTICAL ELEMENT AND METHOD FOR PRODUCING TERAHERTZ W...
- Publication number 20210191231
- Publication date Jun 24, 2021
- HAMAMATSU PHOTONICS K. K.
- Shohei HAYASHI
- G02 - OPTICS
Information Patent Application
TERAHERTZ WAVE LENS AND METHOD FOR PRODUCING TERAHERTZ WAVE LENS
- Publication number 20210194144
- Publication date Jun 24, 2021
- HAMAMATSU PHOTONICS K. K.
- Shohei HAYASHI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PHOTODETECTOR ELEMENT
- Publication number 20190296176
- Publication date Sep 26, 2019
- HAMAMATSU PHOTONICS K. K.
- Wei DONG
- B82 - NANO-TECHNOLOGY
Information Patent Application
PHOTODETECTION ELEMENT
- Publication number 20190074396
- Publication date Mar 7, 2019
- HAMAMATSU PHOTONICS K. K.
- Wei DONG
- G02 - OPTICS
Information Patent Application
PHOTODETECTION ELEMENT
- Publication number 20190058073
- Publication date Feb 21, 2019
- HAMAMATSU PHOTONICS K. K.
- Hiroyasu FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SIGNAL WAVEFORM MEASURING APPARATUS AND MEASURING METHOD
- Publication number 20100219359
- Publication date Sep 2, 2010
- HAMAMATSU PHOTONICS K. K.
- Hiroyasu Fujiwara
- G01 - MEASURING TESTING
Information Patent Application
PHOTOCATHODE, ELECTRON TUBE, FIELD ASSIST TYPE PHOTOCATHODE, FIELD...
- Publication number 20100148667
- Publication date Jun 17, 2010
- HAMAMATSU PHOTONICS K. K.
- Minoru Niigaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAVELENGTH-CONVERTED LIGHT GENERATING APPARATUS AND GENERATING METHOD
- Publication number 20090257114
- Publication date Oct 15, 2009
- HAMAMATSU PHOTONICS K. K.
- Hiroyasu Fujiwara
- G02 - OPTICS
Information Patent Application
Photocathode, electron tube, field assist type photocathode, field...
- Publication number 20080042563
- Publication date Feb 21, 2008
- Hamamatsu Photonics K.K.
- Minoru Niigaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Waveguide structure and optical device
- Publication number 20080013878
- Publication date Jan 17, 2008
- Hamamatsu Photonics K.K.
- Hiroyasu Fujiwara
- G02 - OPTICS
Information Patent Application
Photodetector
- Publication number 20070262239
- Publication date Nov 15, 2007
- Hamamatsu Photonics K.K.
- Minoru Niigaki
- H01 - BASIC ELECTRIC ELEMENTS

Hiroyasu Fujiwara

Person

Patents Grantslast 30 patents

Terahertz wave optical element and method for producing terahertz w...

Terahertz wave optical element and method for producing terahertz w...

Photodetector element

Photodetection element having a periodic nano-concave/convex structure

Photodetection element

Photocathode, electron tube, field assist type photocathode, field...

Photocathode, electron tube, field assist type photocathode, field...

Signal waveform measuring apparatus and method comprising a wavelen...

Waveguide structure and optical device

Wavelength-converted light generating apparatus and generating method

Photodetector having first and second antenna areas with patterns h...

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING OPTICAL DETECTION ELEMENT AND OPTICAL DETEC...

PHOTODETECTION ELEMENT AND METHOD FOR MANUFACTURING PHOTODETECTION...

TERAHERTZ WAVE OPTICAL ELEMENT AND METHOD FOR PRODUCING TERAHERTZ W...

LASER MODULE

TERAHERTZ WAVE OPTICAL ELEMENT AND METHOD FOR PRODUCING TERAHERTZ W...

TERAHERTZ WAVE LENS AND METHOD FOR PRODUCING TERAHERTZ WAVE LENS

PHOTODETECTOR ELEMENT

PHOTODETECTION ELEMENT

PHOTODETECTION ELEMENT

SIGNAL WAVEFORM MEASURING APPARATUS AND MEASURING METHOD

PHOTOCATHODE, ELECTRON TUBE, FIELD ASSIST TYPE PHOTOCATHODE, FIELD...

WAVELENGTH-CONVERTED LIGHT GENERATING APPARATUS AND GENERATING METHOD

Photocathode, electron tube, field assist type photocathode, field...

Waveguide structure and optical device

Photodetector