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Hosokawa; Tsukasa Patent Filings

Hosokawa; Tsukasa

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hosokawa; Tsukasa.The latest application filed is for "active element added-optical fiber, preform for active element added-optical fiber, resonator, and fiber laser device".

Company Profile
0.3.5
  • Hosokawa; Tsukasa - Chiba JP
  • Hosokawa; Tsukasa - Sakura JP
  • Hosokawa; Tsukasa - Sakura-shi JP
  • Hosokawa; Tsukasa - Tokyo 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
Active Element Added-optical Fiber, Preform For Active Element Added-optical Fiber, Resonator, And Fiber Laser Device
App 20220271494 - Hosokawa; Tsukasa ;   et al.
2022-08-25
Manufacturing Method For Optical Fiber And Manufacturing Apparatus For Optical Fiber
App 20210292223 - Hosokawa; Tsukasa
2021-09-23
Optical fiber for amplification and optical fiber amplifier using the same
Grant 9,698,557 - Hosokawa , et al. July 4, 2
2017-07-04
Amplification optical fiber and optical fiber amplifier
Grant 9,673,589 - Hosokawa , et al. June 6, 2
2017-06-06
Amplification Optical Fiber And Optical Fiber Amplifier
App 20170054266 - Hosokawa; Tsukasa ;   et al.
2017-02-23
Optical Fiber For Amplification And Optical Fiber Amplifier Using The Same
App 20160268757 - Hosokawa; Tsukasa ;   et al.
2016-09-15
Vehicle
Grant 8,162,328 - Horiguchi , et al. April 24, 2
2012-04-24
Vehicle
App 20090256331 - Horiguchi; Munehisa ;   et al.
2009-10-15

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