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Singapore, SG
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Patents Grants
last 30 patents
Information
Patent Grant
Gemstone testing apparatus
Patent number
12,174,126
Issue date
Dec 24, 2024
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Grant
Gemstone testing apparatus
Patent number
11,668,654
Issue date
Jun 6, 2023
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Grant
UV reflection tester
Patent number
10,989,667
Issue date
Apr 27, 2021
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Grant
Gemstone testing apparatus
Patent number
10,859,559
Issue date
Dec 8, 2020
Jubilee Diamond Instrument(s) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Grant
Gemstone testing apparatus
Patent number
10,837,915
Issue date
Nov 17, 2020
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Grant
Diamond identification apparatus
Patent number
10,247,677
Issue date
Apr 2, 2019
Jubilee Diamond Instrument(S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Grant
Precious stone testing device
Patent number
10,228,330
Issue date
Mar 12, 2019
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Grant
Diamond identification apparatus
Patent number
10,161,878
Issue date
Dec 25, 2018
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
GEMSTONE TESTING DEVICE
Publication number
20240337601
Publication date
Oct 10, 2024
Jubilee Diamond Instrument (s) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Application
GEMSTONE TESTING APPARATUS
Publication number
20200400646
Publication date
Dec 24, 2020
Jubilee Diamond Instrument(s) Pte. Ltd.
Kui Lim Tam
G02 - OPTICS
Information
Patent Application
GEMSTONE TESTING APPARATUS
Publication number
20200371041
Publication date
Nov 26, 2020
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Application
UV REFLECTION TESTER
Publication number
20200249176
Publication date
Aug 6, 2020
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Application
GEMSTONE TESTING APPARATUS
Publication number
20200217803
Publication date
Jul 9, 2020
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Application
DIAMOND IDENTIFICATION APPARATUS
Publication number
20190072495
Publication date
Mar 7, 2019
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Application
PRECIOUS STONE TESTING DEVICE
Publication number
20190011373
Publication date
Jan 10, 2019
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Information
Patent Application
DIAMOND IDENTIFICATION APPARATUS
Publication number
20180238811
Publication date
Aug 23, 2018
Jubilee Diamond Instrument (S) Pte. Ltd.
Kui Lim Tam
G01 - MEASURING TESTING
Trademark
last 30 trademarks