Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8773616 | Illuminating lens, lighting device, surface light source, and liquid crystal display apparatus | Tomoko Iiyama, Daizaburo Matsuki | 2014-07-08 |
| 8582053 | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus | Tomoko Iiyama, Daizaburo Matsuki | 2013-11-12 |
| 8576351 | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus | Daizaburo Matsuki, Tomoko Iiyama | 2013-11-05 |
| 8558967 | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus | Tomoko Iiyama, Daizaburo Matsuki | 2013-10-15 |
| 8508688 | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus | Tomoko Iiyama, Daizaburo Matsuki | 2013-08-13 |
| 8469554 | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus | Daizaburo Matsuki, Tomoko Iiyama | 2013-06-25 |
| 8434911 | Illuminating lens, and lighting device | Daizaburo Matsuki, Tomoko Iiyama | 2013-05-07 |
| 8425088 | Illuminating lens, and lighting device | Daizaburo Matsuki, Tomoko Iiyama | 2013-04-23 |
| 8324796 | Lighting device with phosphor layer and lens, and surface light source, and liquid-crystal display | Daizaburo Matsuki, Tomoko Iiyama | 2012-12-04 |
| 8289473 | Lens for illumination, lighting device, surface light source, and liquid-crystal display apparatus | Daizaburo Matsuki, Tomoko Iiyama | 2012-10-16 |
| 8109658 | Illuminating lens, and lighting device, surface light source, and liquid-crystal display apparatus each using the same | Daizaburo Matsuki, Tomoko Iiyama | 2012-02-07 |
| 8100549 | Illuminating lens, and lighting device, surface light source, and liquid-crystal display apparatus each using the same | Daizaburo Matsuki, Tomoko Iiyama | 2012-01-24 |
| 8084943 | Plasma display panel with front filter | — | 2011-12-27 |
| 7826156 | Lens barrel | — | 2010-11-02 |
| 7559656 | Projector system | Naoto Yumiki, Yoshimasa Fushimi, Takayuki Hayashi, Seiichi Suzuki, Tomoya Inoue | 2009-07-14 |
| 7317582 | Zoom lens, video enlarging/projecting system, video projector, rear projector, and multivision system | Masayuki Takahashi, Yoshiharu Yamamoto | 2008-01-08 |
| 7173766 | Zoom lens, image magnification projection system and video projector using the zoom lens and rear projector and multi-vision system using the video projector | Masayuki Takahashi | 2007-02-06 |
| 7046354 | Surface foreign matter inspecting device | Yoshiharu Yamamoto | 2006-05-16 |
| 6422704 | Projector that automatically adjusts the projection parameters | Takaaki Gyoten, Masahiro Kawashima | 2002-07-23 |
| 6188522 | Projection lens and projector using the same | Masayuki Takahashi | 2001-02-13 |
| 6081387 | Projection lens | Masayuki Takahashi | 2000-06-27 |
| 5612085 | Lens holder and method for making a thin film | Katsuaki Mitani, Masayuki Takahashi | 1997-03-18 |
| 5353070 | Lens holder which reduces internal reflections | Katsuaki Mitani, Masayuki Takahashi | 1994-10-04 |