Takezawa; Hatsuo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takezawa; Hatsuo.The latest application filed is for "optical device".
- Takezawa; Hatsuo - Fukuoka-ken JP
- Takezawa; Hatsuo - Kanagawa-ken JP
- Takezawa; Hatsuo - Yokohama-shi JP
- Takezawa; Hatsuo - Yokohama JP
| Patent | Date |
|---|---|
| Optical Device App 20120146074 - Ariizumi; Yoshio ; et al. | 2012-06-14 |
| Semiconductor light emitting device having mixed light emission Grant 7,884,544 - Takezawa , et al. February 8, 2 | 2011-02-08 |
| Semiconductor Light-emitting Device App 20080303044 - Kohno; Tatsuoki ; et al. | 2008-12-11 |
| Semiconductor Light-emitting Device App 20080297047 - Kohno; Tatsuoki ; et al. | 2008-12-04 |
| Lens-equipped light-emitting diode device having an integrally molded lens unit being laminated on a sealing portion Grant 7,378,647 - Nishikawa , et al. May 27, 2 | 2008-05-27 |
| Semiconductor light emitting device and semiconductor light emitting unit Grant 7,291,866 - Oshio , et al. November 6, 2 | 2007-11-06 |
| Lens-equipped Light-emitting Diode Device And Method Of Manufacturing The Same App 20070145255 - Nishikawa; Shouichi ; et al. | 2007-06-28 |
| Semiconductor light emitting device App 20070090381 - Otsuka; Kazuaki ; et al. | 2007-04-26 |
| Semiconductor Light Emitting Device App 20070057618 - Otsuka; Kazuaki ; et al. | 2007-03-15 |
| Semiconductor light emitting device App 20060157722 - Takezawa; Hatsuo ; et al. | 2006-07-20 |
| Semiconductor light emitting device App 20060076569 - Otsuka; Kazuaki ; et al. | 2006-04-13 |
| Semiconductor light emitting device App 20060071591 - Takezawa; Hatsuo ; et al. | 2006-04-06 |
| Semiconductor light emitting device and semiconductor light emitting unit App 20050280017 - Oshio, Hiroaki ; et al. | 2005-12-22 |
| Duplex optical communication module unit Grant 4,695,858 - Takezawa , et al. September 22, 1 | 1987-09-22 |
| Duplex optical communication device Grant 4,625,333 - Takezawa , et al. November 25, 1 | 1986-11-25 |
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