Tokyo
Japan
27
2024-06-20
The entities that hold a legal rights for patent applications filed by inventor Katou Kei:
Kei Katou from Tokyo, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
LENS UNIT, OPTICAL WAVEGUIDE DEVICE, AND OPTICAL TRANSMISSION DEVICE
#2 | 2021-12-02Optical waveguide device with reinforcement member for optical fiber and waveguide portion
#3 | 2020-01-30OPTICAL WAVEGUIDE DEVICE
#4 | 2019-10-03Positioning member having cutout portion and polarization beam combining module using positioning member
#5 | 2019-10-03Optical module
#6 | 2019-08-22Optical modulator
#7 | 2019-08-01Flexible printed circuit and optical device
#8 | 2019-04-18Optical modulator
#9 | 2019-01-24Optical modulator
#10 | 2018-11-01Communication device, communication method and computer program
#11 | 2018-10-04Connection structure between optical device and circuit substrate, and optical transmission apparatus using the same
#12 | 2018-10-04Optical control element module
#13 | 2018-10-04Optical communication module and optical modulator used therein
#14 | 2018-06-28FPC-attached optical modulator and optical transmission apparatus using same
#15 | 2018-01-18Optical modulator
#16 | 2017-10-26Optical modulator
#17 | 2017-09-28Optical modulator
#18 | 2017-09-28Optical modulator
#19 | 2017-09-28Optical modulator
#20 | 2017-09-28Optical modulator
#21 | 2017-05-18Optical waveguide element module
#22 | 2015-03-05Optical-waveguide-element module
#23 | 2014-03-27Patterned retardation film for three-dimensional display and method for producing mold for patterned alignment film for three-dimensional display
#24 | 2013-08-01Optical waveguide device
#25 | 2008-09-23Monitoring apparatus
#26 | 2006-12-14Condition-analyzing device
#27 | 2006-10-26Three-dimensional shape-measuring device
701739 ⎘