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Inventor

Masayoshi Hachiwaka

Inventor
Hyogo, JP

Overview

7→
Patents
1993–2013
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus64%
C03BManufacture, shaping, or supplementary processes18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C09JAdhesives9%
PatentTitleYear
8,606,065'Optical fiber and method for fabricating the same'20138,554,036'Graded index multimode optical fiber'20138,396,340'Optical fiber and method for fabricating the same'20138,111,962'Optical fiber connection structure and single-mode fiber'20127,477,821'Sealing composition and production method of optical fiber having air holes in the inside using the composition'20095,852,694'High power fiber optic connector'19985,177,808'Optical energy beam transmission path structure'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2013Patents assigned to MITSUBISHI CABLE IND LTD (7)· patent assignee history
1993Based in Itami, JP· patent location history
1998Based in Tokyo, JP· patent location history
2009–2013Based in Hyogo, JP· patent location history
2012–2013Patents assigned to HACHIWAKA MASAYOSHI (4)· patent assignee history
2012–2013Patents assigned to OOIZUMI HARUO (4)· patent assignee history
2012–2013Patents assigned to TANAKA MASATOSHI (2)· patent assignee history
2012–2013Based in Amagasaki, JP· patent location history
2013Patents assigned to KINOSHITA TAKAHARU (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI CABLE IND LTD71993–2013
HACHIWAKA MASAYOSHIself42012–2013
OOIZUMI HARUO42012–2013
KINOSHITA TAKAHARU32013
TANAKA MASATOSHI22012–2013
Locations
LocationPatentsSpan
Hyogo, JP32009–2013
Amagasaki, JP22012–2013
Tokyo, JP11998
Itami, JP11993