Inventor

Eiji Karaki

Inventor

Nagano, JP

Overview

1994–2005

Patent span

Electricity

Primary field (CPC H)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Hprimary

H03HImpedance networks, e.g. resonant circuits70%

B23KSoldering or unsoldering20%

H05KPrinted circuits10%

PatentTitleYear

6,849,991'Quartz resonating piece, quartz resonator, and quartz device'2005 6,590,314'Piezoelectric resonator container, piezoelectric resonator using the same, circuit board mounting piezoelectric resonator thereon, and method for manufacturing piezoelectric resonator'2003 6,005,329'Method and apparatus for sealing piezoelectric resonator via laser welding'1999 5,736,710'Method and apparatus for sealing piezoelectric resonator via laser welding'1998 5,376,861'At-cut crystal oscillating reed and method of etching the same'1994 5,314,577'At-cut crystal oscillating reed and method of etching the same'1994 5,304,459'At-cut crystal oscillating reed and method of etching the same'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2005Patents assigned to SEIKO EPSON CORP (7)· patent assignee history

1994–1999Based in Nagano, JP· patent location history

1994Based in Suwa, JP· patent location history

2003–2005Based in Ina, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SEIKO EPSON CORP	7	1994–2005

Locations

Location	Patents	Span
Nagano, JP	3	1994–1999
Ina, JP	2	2003–2005
Suwa, JP	2	1994