US Patent 7184631 Optical device
Patent 7184631 was granted and assigned to NGK Insulators on February, 2007 by the United States Patent and Trademark Office.
All edits
Edits on 6 Sep, 2023
Golden AI
Edits made to:
Infobox (+5 properties)
Infobox
Patent Inventor Names
Jun Okumura0
Masataka Yamashita0
Masatsugu Oshima0
Osamu Mitomi0
Takenori Ichigi0
Edits on 31 Aug, 2023
Golden AI
Edits made to:
Article (+456 characters)
Article
Patent abstract
An optical device includes an optical input waveguide, a branch/cross waveguide, an optical output waveguide and connection waveguides that connect the optical input and optical output waveguides to the cross/branch waveguide. The spot size of light propagating through the cross/branch waveguide is larger than the spot size of light propagating through optical input waveguides, the optical output waveguides, or the connection waveguides.
Edits on 22 Jul, 2023
Golden AI
Edits made to:
Infobox (-1 properties)
Infobox
Official Website
Edits on 14 Jul, 2023
Golden AI
Edits made to:
Infobox (+1/-1 properties)
US Patent 07184631 Optical device US Patent 7184631 Optical device
Infobox
Patent Number
071846310
Patent Number
71846310
Edits on 26 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
071846310
Date of Patent
February 27, 2007
0Patent Application Number
099480070
Date Filed
September 6, 2001
0Official Website
Patent Primary Examiner
Edits on 8 Jun, 2022
Golden AI
Edits made to:
Infobox (+1 properties)
Infobox
Website URL
Edits on 20 Nov, 2021
Golden AI
Edits made to:
Infobox (+8 properties)
US Patent 07184631 Optical device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07184631
Date of patent
February 27, 2007
Patent application number
09948007
Date Filed
September 6, 2001
Patent primary examiner
Find more entities like US Patent 7184631 Optical device
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
