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Inventor profile of:

Robert Sprague

City:

Acton, Massachusetts

Country:

United States

Published Applications:

Last publication date:

2025-12-25

Top Assignees for applications by Robert Sprague

The entities that hold a legal rights for patent applications filed by inventor Sprague Robert:

MATERION CORPORATION 9 Mayfield Heights, OH United States

Recent patent applications by Sprague Robert

Robert Sprague from Acton, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-12-25

US20250389880A1

Physics

NEAR INFRARED OPTICAL INTERFERENCE FILTERS WITH IMPROVED TRANSMISSION

#2 | 2022-09-22

US20220299688A1

Physics

NEAR INFRARED OPTICAL INTERFERENCE FILTERS WITH IMPROVED TRANSMISSION

#3 | 2022-09-01

US20220275497A1

Chemistry; metallurgy

Method of fabricating anisotropic optical interference filter

#4 | 2020-04-16

US20200116911A1

Physics

Method of fabricating anisotropic optical interference filter

#5 | 2019-12-12

US20190377173A1

Physics

Enhancement of output of optically pumped phosphor by use of surface nanostructures

#6 | 2019-07-11

US20190212484A1

Physics

Near infrared optical interference filters with improved transmission

#7 | 2018-02-22

US20180052265A1

Physics

Method of fabricating anisotropic optical interference filter

#8 | 2017-08-17

US20170235127A1

Physics

Enhancement of output of optically pumped phosphor by use of surface nanostructures

#9 | 2016-12-08

US20160356724A1

Physics

Automated defect detection and mapping for optical filters

#10 | 2016-08-18

US20160238759A1

Physics

NEAR INFRARED OPTICAL INTERFERENCE FILTERS WITH IMPROVED TRANSMISSION

#11 | 2016-08-18

US20160237547A1

Chemistry; metallurgy

Method of fabricating anisotropic optical interference filter

InventorID:

1624511 ⎘