Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10315517 | Vehicle display device for displaying information used for vehicle driving | Kiyofumi Tabata, Tatsuo Oi, Akimitsu Ochiai | 2019-06-11 |
| 10019965 | Vehicle display system having a plurality of color temperature settings | — | 2018-07-10 |
| 9885948 | Transmission-type screen and image display device using the transmission-type screen | — | 2018-02-06 |
| 9383580 | Image display device | — | 2016-07-05 |
| 9134601 | 3D image display optical member and 3D image display device | — | 2015-09-15 |
| 8066418 | Lighting device and display device | — | 2011-11-29 |
| 7864450 | Microlens array sheet and method of producing the same | Masahiko Sugiyama, Yoichiro Nakatani | 2011-01-04 |
| 7798698 | Lighting device and display device | — | 2010-09-21 |
| 7515357 | Microlens array sheet and method of producing the same | Masahiko Sugiyama, Yoichiro Nakatani | 2009-04-07 |
| 7467876 | Surface light source device | — | 2008-12-23 |
| 7359596 | Micro lens array and a method of manufacturing a replication mold for the same | Masahiko Sugiyama, Yoichiro Nakatani | 2008-04-15 |
| 7110643 | Micro lens array and a method of manufacturing a replication mold for the same | Masahiko Sugiyama, Yoichiro Nakatani | 2006-09-19 |
| 6855416 | Thin film magnetic recording medium | Masahiko Sugiyama | 2005-02-15 |
| 6652998 | Producing method of thin film magnetic tape and the thin film magnetic tape | Masahiko Sugiyama | 2003-11-25 |
| 5612145 | Perpendicular magnetic medium and manufacturing method for the medium | — | 1997-03-18 |