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Eiji Karaki

USPTO Granted Patents = 7

EPO Patents = 1

Average Co-Inventor Count = 2.5

ph-index = 3

Forward Citations = 22(Granted Patents)

Location History:

Nagano, JP (1994)
Suwa, JP (1994)
Nagano-ken, JP (1998 - 1999)
Ina, JP (2003 - 2005)

Company Filing History:

7 out of 33,436

Seiko Epson Corporation

Years Active: 1994-2005

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6849991 - Quartz resonating piece, quartz resonator, and quartz device (2005-02-01),

2. 6590314 - Piezoelectric resonator container, piezoelectric resonator using the same, circuit board mounting piezoelectric resonator thereon, and method for manufacturing piezoelectric resonator (2003-07-08),

3. 6005329 - Method and apparatus for sealing piezoelectric resonator via laser (1999-12-21),

4. 5736710 - Method and apparatus for sealing piezoelectric resonator via laser (1998-04-07),

5. 5376861 - At-cut crystal oscillating reed and method of etching the same (1994-12-27),

6. 5314577 - At-cut crystal oscillating reed and method of etching the same (1994-05-24),

7. 5304459 - At-cut crystal oscillating reed and method of etching the same (1994-04-19),

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