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Inventor

Kazumasa Ohsono

Inventor
Hitachi, JP

Overview

14→
Patents
2008–2015
Patent span
Physics
Primary field (CPC G)

Patents· 14 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus61%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light22%
A61BDiagnosis6%
B23KSoldering or unsoldering6%
C03CChemical composition of glasses, glazes or vitreous enamels6%
PatentTitleYear
9,052,432'Multicore fiber'20158,800,323'Method of sealing air holes in an optical fiber'20148,472,769'Optical fiber, end part processing method of optical fiber, and end part processing apparatus of optical fiber'20137,903,695'Optical fiber laser and exciting method using same'20117,857,525'Optical connector'20107,813,386'Optical fiber for an optical fiber laser, method for fabricating the same, and optical fiber laser'20107,769,058'Optical fiber laser'20107,684,449'Optical fiber for fiber laser device and fiber laser device using same'20107,658,550'Optical fiber, optical fiber connecting method, and optical connector'20107,583,877'Optical fiber, optical fiber connection structure and optical connector'20097,555,184'Optical fiber, end face structure of optical fiber assembly, and optical connector'20097,393,143'Optical connector and connection structure of optical fibers'20087,376,315'Optical fiber, optical fiber connecting method, and optical connector'20087,349,610'Optical fiber coiled cord'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2013Patents assigned to HITACHI CABLE (12)· patent assignee history
2008–2014Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history
2008–2015Based in Hitachi, JP· patent location history
2008–2014Based in Tokyo, JP· patent location history
2013–2015Patents assigned to OHSONO KAZUMASA (3)· patent assignee history
2013–2015Patents assigned to SHIINA NORIBUMI (2)· patent assignee history
2014–2015Patents assigned to HITACHI METALS LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI CABLE122008–2013
NIPPON TELEGRAPH & TELEPHONE42008–2014
OHSONO KAZUMASAself32013–2015
HITACHI METALS LTD22014–2015
SHIINA NORIBUMI22013–2015
Locations
LocationPatentsSpan
Hitachi, JP102008–2015
Tokyo, JP42008–2014