Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8506103 | Semiconductor lamp and light bulb type LED lamp | Hideki Iimura | 2013-08-13 |
| 7532800 | Light guide unit | — | 2009-05-12 |
| 7218830 | Surface illuminator using point light source | — | 2007-05-15 |
| 6771866 | Photocatalyst apparatus, method of manufacture thereof and photocatalyst reactor | — | 2004-08-03 |
| 6675425 | Photocatalytic apparatus and method for activating photocatalytic material | — | 2004-01-13 |
| 6501893 | Photocatalytic optical fibers and apparatus using the optical fibers | — | 2002-12-31 |
| 6361180 | Light diffusing apparatus using light guide | — | 2002-03-26 |
| 6239442 | Cleaning apparatus using ultraviolet rays | — | 2001-05-29 |
| 6238630 | Photocatalyst device and photocatalyst reactor | — | 2001-05-29 |
| 6108476 | Optical fiber with photocatalyst and method for activating the same | — | 2000-08-22 |
| 6094767 | Cleaning apparatus using photocatalyst | — | 2000-08-01 |
| 6039452 | Flat light source with U-shaped configuration | — | 2000-03-21 |
| 6036329 | Flat light source and passive display utilizing bypass light guide | — | 2000-03-14 |
| 5913594 | Flat panel light source device and passive display device utilizing the light source device | — | 1999-06-22 |