Akihiko Hosaka

Inventor

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Work History

Patent OwnerApplications FiledYear
SONY CORPORATION
1
1996
TOYOTA JIDOSHA KABUSHIKI KAISHA
2
5
2006
2008
CASIO COMPUTER CO., LTD.
1
1989
TDK CORPORATION
3
5
4
1
4
1979
1980
1981
1982
1983
NITTAN VALVE CO., LTD.
1
2
5
1990
2006
2008
FRONTIER LABORATORIES LTD.
1
1
1999
2017
TDK ELECTRONICS CO., LTD.
1
4
4
1
1979
1980
1981
1982
SAMSUNG ELECTRONICS CO., LTD.
2
2007

Inventor Addresses

AddressDuration
Chiyoda-ku, JPJun 14, 18 - Oct 16, 18
Chiyoda-ku, Tokyo, JPMay 17, 18 - Jun 07, 18
Fukushima, JPFeb 20, 01 - Jan 01, 19
Gyeonggi-do, KRMar 20, 12 - Mar 20, 12
Hadance-shi, JPJul 07, 11 - Jul 07, 11
Hadano, JPAug 24, 10 - Feb 14, 17
Hadano-shi, JPApr 09, 09 - Nov 11, 10
Kanagawa-ken, JPSep 30, 10 - Sep 30, 10
Saku, JPDec 22, 81 - Nov 02, 82
Tokyo, JPDec 09, 80 - Jul 25, 23
Yeongtong-gu, KRJan 17, 08 - Jan 17, 08

Technology Profile

Technology Matters
B05D: PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 1
B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 4
F01L: CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 5

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
117116422023Earphones0
114452932022Earphones0
2022/0021,9682022EARPHONES0
2021/0400,3692021EARPHONES0
103976852019Earphone2

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