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Inventor

Fumihiro Ashiya

Inventor
Mito, JP

Overview

5→
Patents
1987–2010
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus63%
Y10TTechnical subjects covered by former us classification25%
B29CShaping or joining of plastics13%
PatentTitleYear
7,824,109'Optical connector'20105,278,217'Water absorptive composition'19945,214,730'Multifiber optical connector plug with low reflection and low insertion loss'19935,179,611'Optical fiber cable having a water absorptive member'19934,708,433'Optical connector and method of manufacturing a pair of ferrules therefor'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2010Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history
1987–1993Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (2)· patent assignee history
1987–1994Based in Mito, JP· patent location history
1993–1994Patents assigned to TOKAI RUBBER IND LTD (2)· patent assignee history
1993Patents assigned to NIPPON TELGRAPH AND TELEPHONE (1)· patent assignee history
1993Based in Ibaraki, JP· patent location history
2010Patents assigned to NTT ADVANCED TECH KK (1)· patent assignee history
2010Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE41987–2010
SUMITOMO ELECTRIC INDUSTRIES21987–1993
TOKAI RUBBER IND LTD21993–1994
NIPPON TELGRAPH AND TELEPHONE11993
NTT ADVANCED TECH KK12010
Locations
LocationPatentsSpan
Mito, JP31987–1994
Tokyo, JP12010
Ibaraki, JP11993