Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995933 | Optical device and illumination device | Takanori ARUGA, Hiroyuki Itahana, Wataru KITAHARA, Masahiro Imai | 2021-05-04 |
| 10760768 | Optical device and illumination device | Wataru KITAHARA, Wataru Ogura | 2020-09-01 |
| 8833957 | Illumination system, electro-optic device, and electronic apparatus | Junya Mita, Akemi Maruyama, Shintaro Hama | 2014-09-16 |
| 8083372 | Illumination system, electro-optic device, and electronic apparatus | Junya Mita, Akemi Maruyama, Shintaro Hama | 2011-12-27 |
| 5764322 | Light guiding sheet, manufacturing method thereof, back light using the light guiding sheet, and liquid crystal display unit using the back light | Johji Mamiya, Masaru Suzuki | 1998-06-09 |
| 5172970 | Electric locker apparatus with emergency unlocking | Hideto Watabe, Masahisa Kujiraoka, Keizo Watanabe, Masanori Takagi, Hiroshi Sato | 1992-12-22 |