Katsuma; Ryoji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Katsuma; Ryoji.The latest application filed is for "screen".
- Katsuma; Ryoji - Matsumoto N/A JP
- Katsuma; Ryoji - Matsumoto-shi JP
- Katsuma; Ryoji - Suwa JP
- Katsuma, Ryoji - Suwa-shi JP
| Patent | Date |
|---|---|
| Screen Grant 8,477,421 - Katsuma July 2, 2 | 2013-07-02 |
| Screen Grant 8,405,905 - Shinbo , et al. March 26, 2 | 2013-03-26 |
| Screen App 20130003174 - Katsuma; Ryoji | 2013-01-03 |
| Screen App 20120229895 - SHINBO; Akira ; et al. | 2012-09-13 |
| Screen and projector Grant 8,228,603 - Shinbo , et al. July 24, 2 | 2012-07-24 |
| Screen Grant 8,197,926 - Shinbo , et al. June 12, 2 | 2012-06-12 |
| Reflective screen Grant 8,169,700 - Katsuma , et al. May 1, 2 | 2012-05-01 |
| Screen unit Grant 8,169,697 - Katsuma May 1, 2 | 2012-05-01 |
| Screen Grant 8,023,186 - Katsuma , et al. September 20, 2 | 2011-09-20 |
| Screen Unit App 20110222150 - Katsuma; Ryoji | 2011-09-15 |
| Reflective Screen App 20110194178 - Katsuma; Ryoji ; et al. | 2011-08-11 |
| Screen And Projector App 20110188114 - SHINBO; Akira ; et al. | 2011-08-04 |
| Screen and projector Grant 7,948,679 - Shinbo , et al. May 24, 2 | 2011-05-24 |
| Screen App 20110069385 - Katsuma; Ryoji ; et al. | 2011-03-24 |
| Screen Grant 7,911,694 - Katsuma , et al. March 22, 2 | 2011-03-22 |
| Screen App 20100157424 - KATSUMA; Ryoji ; et al. | 2010-06-24 |
| Screen App 20100092734 - SHINBO; Akira ; et al. | 2010-04-15 |
| Screen And Projector App 20090231696 - SHINBO; Akira ; et al. | 2009-09-17 |
| Optical image projector and light source device for optical image projector Grant 7,188,973 - Katsuma March 13, 2 | 2007-03-13 |
| Light source, and projector provided with the light source Grant 7,052,147 - Katsuma , et al. May 30, 2 | 2006-05-30 |
| Light source device and projector App 20050190560 - Katsuma, Ryoji | 2005-09-01 |
| Light source, and projector provided with the light source App 20040233399 - Katsuma, Ryoji ; et al. | 2004-11-25 |
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