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Inventor

Fumikazu Ohira

Inventor
Tokyo, JP

Overview

3→
Patents
2000–2003
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus50%
B24BMachines, devices, or processes for grinding or polishing25%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light25%
PatentTitleYear
6,565,423'Apparatus and method for polishing a ferrule end face for an optical connector'20036,359,724'Light generation method and light source'20026,157,025'Disk shaped tunable optical filter'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2003Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
2000–2002Based in Tokyo, JP· patent location history
2003Based in Kodaira, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE32000–2003
Locations
LocationPatentsSpan
Tokyo, JP22000–2002
Kodaira, JP12003