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Inventor

Takeyasu Nakayama

Inventor
Nagano, JP

Overview

4→
Patents
1993–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing50%
G02BOptical elements, systems or apparatus50%
PatentTitleYear
6,155,722'Twin-core ferrule structure for an optical connector'20005,559,916'Method for manufacturing optical fiber assembly with polished end-face, an end face polishing apparatus, and a method for examining the end point of end-face polishing process of optical fiber'19965,463,709'End-face polished ferrule and its method of manufacture'19955,245,684'Optical fiber assembly, method of manufacturing the same and optical fiber assembly connection using the same'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2000Patents assigned to TOTOKU ELECTRIC (4)· patent assignee history
1993Based in Chiisagata-gun, JP· patent location history
1995–1996Patents assigned to EMIT SEIKO CO LTD (2)· patent assignee history
1995–2000Based in Nagano, JP· patent location history
2000Patents assigned to FDK CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOTOKU ELECTRIC41993–2000
EMIT SEIKO CO LTD21995–1996
FDK CORP12000
Locations
LocationPatentsSpan
Nagano, JP31995–2000
Chiisagata-gun, JP11993