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Inventor

Akihito Hongo

Inventor
Hitachi, JP

Overview

18→
Patents
1988–2020
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary
G02BOptical elements, systems or apparatus33%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light21%
A61BDiagnosis15%
Y10TTechnical subjects covered by former us classification12%
C03CChemical composition of glasses, glazes or vitreous enamels9%
A61CDentistry3%
B23KSoldering or unsoldering3%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
PatentTitleYear
10,792,102Laser tip, laser treatment tool, laser treatment device, and laser treatment system20209,827,045Laser waveguide device and laser waveguide system20178,720,040'Method of manufacturing a hollow waveguide'20148,270,795'Hollow fiber formed using metal nano particles'20128,121,452'Method for fabricating a hollow fiber'20127,903,695'Optical fiber laser and exciting method using same'20117,813,386'Optical fiber for an optical fiber laser, method for fabricating the same, and optical fiber laser'20107,792,161'Optical fiber for fiber laser, fiber laser, and laser oscillation method'20107,769,058'Optical fiber laser'20107,684,449'Optical fiber for fiber laser device and fiber laser device using same'20107,664,356'Hollow waveguide and method of manufacturing the same'20107,373,061'Laser energy transmission optical fiber, laser energy transmission method and laser energy transmission device'20086,104,853'Detachable laser probe having reduced attenuation'20005,995,696'Hollow waveguide and method of making same'19995,729,646'Optical hollow waveguide, method for fabricating the same, and laser transmission apparatus using the same'19984,972,421'Thin-film coated waveguide laser'19904,875,218'Thin-film coated waveguide laser'19894,737,015'Optical waveguide having a silicon oxi-nitride layer'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2012Patents assigned to HITACHI CABLE (15)· patent assignee history
1988–2012Based in Hitachi, JP· patent location history
1989–2000Based in Ibaraki, JP· patent location history
2008–2014Based in Tsuchiura, JP· patent location history
2012–2014Patents assigned to HONGO AKIHITO (3)· patent assignee history
2012Patents assigned to KUROSAWA YOSHINORI (2)· patent assignee history
2012Patents assigned to OHKAWA MASAHIRO (2)· patent assignee history
2017–2020Patents assigned to J MORITA MFG CORP (2)· patent assignee history
2017–2020Based in Kyoto, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CABLE151988–2012
HONGO AKIHITOself32012–2014
J MORITA MFG CORP22017–2020
KUROSAWA YOSHINORI22012
OHKAWA MASAHIRO22012
Locations
LocationPatentsSpan
Hitachi, JP71988–2012
Ibaraki, JP51989–2000
Tsuchiura, JP42008–2014
Kyoto, JP22017–2020