Yasufumi Takagi

Person

Shizuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Brushless motor and electric bicycle provided with the same
- Patent number 10,840,762
- Issue date Nov 17, 2020
- Yamaha Motor Electronics Co., Ltd.
- Toshihiko Nagata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Nitride semiconductor substrate
- Patent number 8,759,837
- Issue date Jun 24, 2014
- Hamamatsu Photonics K.K.
- Harumasa Yoshida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nitride semiconductor substrate
- Patent number 8,237,194
- Issue date Aug 7, 2012
- Hamamatsu Photonics K.K.
- Harumasa Yoshida
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Luminous body, electron beam detector using the same, scanning elec...
- Patent number 8,164,069
- Issue date Apr 24, 2012
- Hamamatsu Photonics K.K.
- Shoichi Uchiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Saddle riding type vehicle including steering damper
- Patent number 8,056,918
- Issue date Nov 15, 2011
- Yamaha Hatsudoki Kabushiki Kaisha
- Shidehiko Miyashiro
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Luminous body, electron beam detector using the same, scanning elec...
- Patent number 7,910,895
- Issue date Mar 22, 2011
- Hamamatsu Photonics K.K.
- Shoichi Uchiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
UV sensor
- Patent number 7,217,932
- Issue date May 15, 2007
- Hamamatsu Photonics K.K.
- Minoru Niigaki
- G01 - MEASURING TESTING
Information Patent Grant
Illuminant, and, electron beam detector, scanning electron microsco...
- Patent number 7,030,388
- Issue date Apr 18, 2006
- Hamamatsu Photonics K.K.
- Yasufumi Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photocathode having AlGaN layer with specified Mg content concentra...
- Patent number 6,831,341
- Issue date Dec 14, 2004
- Hamamatsu Photonics K.K.
- Hirofumi Kan
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING QUANTUM CASCADE LASER ELEMENT
- Publication number 20230143711
- Publication date May 11, 2023
- Hamamatsu Photonics K.K.
- Atsushi SUGIYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BRUSHLESS MOTOR AND ELECTRIC BICYCLE PROVIDED WITH THE SAME
- Publication number 20180034338
- Publication date Feb 1, 2018
- YAMAHA MOTOR ELECTRONICS CO., LTD.
- Toshihiko NAGATA
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
- Publication number 20120175633
- Publication date Jul 12, 2012
- HAMAMATSU PHOTONICS K. K.
- Harumasa YOSHIDA
- C30 - CRYSTAL GROWTH
Information Patent Application
LUMINOUS BODY, ELECTRON BEAM DETECTOR USING THE SAME, SCANNING ELEC...
- Publication number 20110101219
- Publication date May 5, 2011
- HAMAMATSU PROTONICS K.K.
- Shoichi UCHIYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SADDLE RIDING TYPE VEHICLE INCLUDING STEERING DAMPER
- Publication number 20100270773
- Publication date Oct 28, 2010
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Shidehiko MIYASHIRO
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
NITRIDE SEMICONDUCTOR SUBSTRATE
- Publication number 20100102328
- Publication date Apr 29, 2010
- HAMAMATSU PHOTONICKS K.K
- Harumasa Yoshida
- C30 - CRYSTAL GROWTH
Information Patent Application
Luminous Body, Electron Beam Detector Using the Same, Scanning Elec...
- Publication number 20080116368
- Publication date May 22, 2008
- Hamamatsu Photonics K. K.
- Shoichi Uchiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electron tube
- Publication number 20070176160
- Publication date Aug 2, 2007
- Hamamatsu Photonics K.K.
- Shoichi Uchiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Photocathode having A1GaN layer with specified Mg content concentra...
- Publication number 20050045866
- Publication date Mar 3, 2005
- Hamamatsu Photonics K.K.
- Hirofumi Kan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
UV sensor
- Publication number 20040135094
- Publication date Jul 15, 2004
- Hamamatsu Photonics K.K.
- Minoru Niigaki
- G01 - MEASURING TESTING
Information Patent Application
Illuminant, and, electron beam detector, scanning electron microsco...
- Publication number 20040129891
- Publication date Jul 8, 2004
- Hamamatsu Photonics K.K.
- Yasufumi Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor photocathode
- Publication number 20040021417
- Publication date Feb 5, 2004
- Hirofumi Kan
- H01 - BASIC ELECTRIC ELEMENTS

Yasufumi Takagi

Person

Patents Grantslast 30 patents

Brushless motor and electric bicycle provided with the same

Nitride semiconductor substrate

Nitride semiconductor substrate

Luminous body, electron beam detector using the same, scanning elec...

Saddle riding type vehicle including steering damper

Luminous body, electron beam detector using the same, scanning elec...

UV sensor

Illuminant, and, electron beam detector, scanning electron microsco...

Photocathode having AlGaN layer with specified Mg content concentra...

Patents Applicationslast 30 patents

METHOD FOR PRODUCING QUANTUM CASCADE LASER ELEMENT

BRUSHLESS MOTOR AND ELECTRIC BICYCLE PROVIDED WITH THE SAME

NITRIDE SEMICONDUCTOR SUBSTRATE

LUMINOUS BODY, ELECTRON BEAM DETECTOR USING THE SAME, SCANNING ELEC...

SADDLE RIDING TYPE VEHICLE INCLUDING STEERING DAMPER

NITRIDE SEMICONDUCTOR SUBSTRATE

Luminous Body, Electron Beam Detector Using the Same, Scanning Elec...

Electron tube

Photocathode having A1GaN layer with specified Mg content concentra...

UV sensor

Illuminant, and, electron beam detector, scanning electron microsco...

Semiconductor photocathode