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NGK Insulators Ltd

NGK Insula
Active Patents
0
Total Holdings
7

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
JP3095593B2 Anode container for sodium-sulfur battery and method for pr… Expired / Lapsed 1993-10-08 2000-10-03 0 Details
US5631040A Method of fabricating a piezoelectric/electrostrictive actu… Expired / Lapsed 1995-05-19 1997-05-20 4 Details
US4833726A Helmet with two-way radio communication faculty Expired / Lapsed 1987-03-02 1989-05-23 43 Details
US4445274A Method of manufacturing a ceramic structural body Expired / Lapsed 1981-05-21 1984-05-01 11 Details
US4137628A Method of manufacturing connection-type ceramic packages fo… Expired / Lapsed 1977-12-19 1979-02-06 5 Details
US3170780A Method of manufacturing porcelain articles by crystallizing… Expired / Lapsed 1963-02-26 1965-02-23 2 Details
US2107260A Corrosion resisting pump and blower Expired / Lapsed 1936-03-04 1938-02-01 0 Details