Sekine; Kumajiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sekine; Kumajiro.The latest application filed is for "projection lens unit".
- Sekine; Kumajiro - Sano JP
- Sekine, Kumajiro - Sano-shi JP
| Patent | Date |
|---|---|
| Projection lens unit Grant 7,126,768 - Yokota , et al. October 24, 2 | 2006-10-24 |
| Projection lens unit Grant 7,023,629 - Sekine , et al. April 4, 2 | 2006-04-04 |
| Projection lens Grant 7,012,764 - Kobayashi , et al. March 14, 2 | 2006-03-14 |
| Projection lens Grant 6,989,946 - Kobayashi , et al. January 24, 2 | 2006-01-24 |
| Projection lens unit App 20050219720 - Yura, Fumitoshi ; et al. | 2005-10-06 |
| Illuminating optical system and color image projecting device Grant 6,942,346 - Nakada , et al. September 13, 2 | 2005-09-13 |
| Projection lens App 20050168840 - Kobayashi, Takeshi ; et al. | 2005-08-04 |
| Projection lens App 20050122598 - Kobayashi, Takeshi ; et al. | 2005-06-09 |
| Projection lens unit App 20040228011 - Yokota, Akihiro ; et al. | 2004-11-18 |
| Projection lens unit App 20040212904 - Sekine, Kumajiro ; et al. | 2004-10-28 |
| Illuminating optical system and color image projecting device App 20040207817 - Nakada, Takeki ; et al. | 2004-10-21 |
| Lens apparatus for projection Grant 6,798,584 - Matsumoto , et al. September 28, 2 | 2004-09-28 |
| Lens apparatus for projection App 20030090812 - Matsumoto, Susumu ; et al. | 2003-05-15 |
| Laser pointer Grant 6,022,126 - Sekine , et al. February 8, 2 | 2000-02-08 |
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