Kenichiro Otsuka

Inventor

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Work History

Patent OwnerApplications FiledYear
NIPPON STEEL & SUMITOMO METAL CORPORATION
4
8
6
1
2013
2014
2015
2016
PENTAX CORPORATION
1
1997
SUMITOMO ELECTRIC INDUSTRIES, LTD.
1
1997
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
1
1
3
2
1993
1994
1995
2001

Inventor Addresses

AddressDuration
Aichi, JPJul 08, 21 - Jun 04, 24
Chiyoda-ku, Tokyo, JPSep 20, 18 - Apr 18, 24
Kisarazu, JPJul 17, 18 - Sep 10, 19
Kisarazu-shi, Chiba, JPOct 13, 16 - Nov 17, 16
Osaka, JPSep 12, 19 - Mar 11, 25
Osaka-shi, JPAug 05, 21 - Jan 25, 24
Osaka-shi, Osaka, JPMay 23, 24 - May 23, 24
Saitama, JPJun 14, 94 - Sep 19, 95
Saitama-ken, JPJun 18, 96 - Sep 23, 97
Tokai, JPFeb 05, 19 - May 11, 21
Tokai-shi, Aichi, JPJan 04, 18 - May 10, 18
Tokai-shi, JPAug 10, 17 - Aug 17, 17
Tokyo, JPJul 30, 96 - Feb 11, 25
Yokohama, JPJun 01, 99 - Jun 01, 99

Technology Profile

Technology Matters
B21C: MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL 1
B21D: WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 26
B21J: FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES 2

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
122481852025Optical connection structure, optical connector, and optical connecting method0
122216612025Steel sheet and method for producing same0
122093002025Automobile undercarriage part0
121948062025Suspension arm0
121632092024Automobile undercarriage part0

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