Takeshi Umeki

Inventor

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Work History

Patent OwnerApplications FiledYear
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
1
3
2
2006
2007
2012
NTT ELECTRONICS CORPORATION
1
2006
CENTRAL JAPAN RAILWAY COMPANY
1
2001

Inventor Addresses

AddressDuration
Atsugi, JPMay 10, 11 - Jun 23, 15
Atsugi-shi, JPFeb 05, 15 - Feb 05, 15
Kanagawa-ken, JPDec 10, 09 - Feb 18, 10
Musashino, JPJul 12, 22 - Nov 26, 24
Musashino-shi, Tokyo, JPFeb 11, 21 - Jul 25, 24
Nagoya, JPApr 29, 03 - Apr 29, 03
Tokyo, JPJan 22, 09 - Jan 22, 09

Technology Profile

Technology Matters
B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1
C30B: SINGLE-CRYSTAL GROWTH 1
G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
121533252024Wavelength converter0
120858362024Optical amplifier0
2024/0248,3692024OPTICAL AMPLIFICATION APPARATUS AND OPTICAL AMPLIFICATION METHOD0
2024/0250,7682024OPTICAL AMPLIFICATION SYSTEM, OPTICAL AMPLIFICATION APPARATUS AND OPTICAL AMPLIFICATION METHOD0
2024/0241,3102024Wavelength Converter0

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