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Inventor

Naoki Nakao

Inventor
Chiba, JP

Overview

4→
Patents
1998–2001
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus80%
H04QSelecting20%
PatentTitleYear
6,256,443'Optical fiber distribution module for holding an optical fiber cord and fiber distribution system using optical fiber cords'20016,002,819'Optical switch and switching method'19995,832,149'Optical switch'19985,796,888'Optical switch apparatus'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2001Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history
1998Patents assigned to FUJIKURA LTD (1)· patent assignee history
1998Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history
1998–2001Based in Chiba, JP· patent location history
1998Based in Tokyo, JP· patent location history
1999Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE41998–2001
FUJIKURA LTD11998
FURUKAWA ELECTRIC CO LTD11998
SUMITOMO ELECTRIC INDUSTRIES11999
Locations
LocationPatentsSpan
Chiba, JP31998–2001
Tokyo, JP11998