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Inventor

KEIICHI MURAKAMI

Inventor
JP

Overview

3→
Patents
2021–2022
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus25%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients13%
C09JAdhesives13%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates13%
H04BTransmission13%
H04JMultiplex communication13%
PatentTitleYear
11,383,493Window film202211,316,592Optical module and optical communication system202211,209,586Ghost image elimination of doe using fourier optics method2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to ABURAKAWA YUJI (1)· patent assignee history
2021Patents assigned to ISHII FUSAO (1)· patent assignee history
2021Patents assigned to MURAKAMI KEIICHI (1)· patent assignee history
2021–2022Based in JP· patent location history
2022Patents assigned to DAINIPPON PRINTING CO LTD (1)· patent assignee history
2022Patents assigned to LUMENTUM JAPAN INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ABURAKAWA YUJI12021
DAINIPPON PRINTING CO LTD12022
ISHII FUSAO12021
LUMENTUM JAPAN INC12022
MURAKAMI KEIICHIself12021
Locations
LocationPatentsSpan
JP32021–2022