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Koshin Kogaku Co., Ltd. Patent Filings

Koshin Kogaku Co., Ltd.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Koshin Kogaku Co., Ltd..The latest application filed is for "multi-bandpass filter".

Company Profile
0.3.1
  • Koshin Kogaku Co., Ltd. - JP JP
  • Koshin Kogaku Co., Ltd. - Kanagawa JP
  • KOSHIN KOGAKU CO., Ltd. - Hadano-shi JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Fabry-Perot type tunable filter and fabrication method thereof
Grant 8,164,757 - Yamanoi , et al. April 24, 2
2012-04-24
Multi-bandpass filter
Grant 7,227,691 - Kamikawa June 5, 2
2007-06-05
Comb-shaped actuator with off centered electrodes
Grant 7,224,097 - Obi , et al. May 29, 2
2007-05-29
Multi-bandpass filter
App 20060007547 - Kamikawa; Sho
2006-01-12

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