Hakuta; Tomoyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hakuta; Tomoyuki.The latest application filed is for "optical waveguide device and multiple optical waveguide device".
- Hakuta; Tomoyuki - Hitachinaka JP
| Patent | Date |
|---|---|
| Optical waveguide device and multiple optical waveguide device Grant 7,373,066 - Ishikawa , et al. May 13, 2 | 2008-05-13 |
| Waveguide type optical branching device Grant 7,272,279 - Ishikawa , et al. September 18, 2 | 2007-09-18 |
| Waveguide type optical branching device App 20070086704 - Ishikawa; Hiroshi ; et al. | 2007-04-19 |
| Optical waveguide device and multiple optical waveguide device App 20070086717 - Ishikawa; Hiroshi ; et al. | 2007-04-19 |
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