Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7948454 | Method for driving light-emitting diode, light-emitting diode, method for driving display, display, method for driving electronic device, electronic device, method for driving optical communication apparatus, and optical communication apparatus | — | 2011-05-24 |
| 7928452 | GaN-based semiconductor light-emitting element, light-emitting element assembly, light-emitting apparatus, method of manufacturing GaN-based semiconductor light-emitting element, method of driving GaN-based semiconductor light-emitting element, and image display apparatus | Hiroki Naito, Hiroyuki Okuyama, Ippei Nishinaka | 2011-04-19 |
| 7727331 | Crystal firm, crystal substrate, and semiconductor device | Etsuo Morita, Yousuke Murakami, Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata | 2010-06-01 |
| 7700959 | Semiconductor light-emitting device, semiconductor light-emitting apparatus, and method of manufacturing semiconductor light-emitting device | Jun Suzuki, Masato Doi, Hiroyuki Okuyama | 2010-04-20 |
| 7695991 | Method for manufacturing GaN semiconductor light-emitting element | Hiroyuki Okuyama | 2010-04-13 |
| 7589346 | GaN based semiconductor light-emitting device and method for producing same | Hiroyuki Okuyama | 2009-09-15 |
| 7564064 | Semiconductor light emitting device, an integrated semiconductor light emitting apparatus, an image display apparatus, and an illuminating apparatus having a semiconductor layer with conical crystal portion | Toyoharu Oohata, Hiroyuki Okuyama, Masato Doi, Jun Suzuki | 2009-07-21 |
| 7553370 | Crystal growth method for nitride semiconductor and formation method for semiconductor device | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata | 2009-06-30 |
| 7501663 | Semiconductor light-emitting device, and image display device and lighting unit comprising same | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2009-03-10 |
| 7468528 | Semiconductor light-emitting device | Jun Suzuki, Masato Doi, Hiroyuki Okuyama | 2008-12-23 |
| 7364805 | Crystal film, crystal substrate, and semiconductor device | Etsuo Morita, Yousuke Murakami, Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata | 2008-04-29 |
| 7250320 | Semiconductor light emitting element, manufacturing method thereof, integrated semiconductor light emitting device, manufacturing method thereof, image display device, manufacturing method thereof, illuminating device and manufacturing method thereof | Hiroyuki Okuyama, Masato Doi, Jun Suzuki, Toyoharu Oohata | 2007-07-31 |
| 7227189 | Vapor-phase growth method for a nitride semiconductor and a nitride semiconductor device | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata | 2007-06-05 |
| 7221001 | Semiconductor light-emitting device and process for producing the same | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2007-05-22 |
| 7205168 | Semiconductor light emitting device, its manufacturing method, integrated semiconductor light emitting apparatus, its manufacturing method, illuminating apparatus, and its manufacturing method | Toyoharu Oohata, Hiroyuki Okuyama, Masato Doi, Jun Suzuki | 2007-04-17 |
| 7135348 | Semiconductor light emitting device and fabrication method thereof | Hiroyuki Okuyama | 2006-11-14 |
| 7129515 | Lighting system | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2006-10-31 |
| 7129107 | Process for producing a semiconductor light-emitting device | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2006-10-31 |
| 7129514 | Image display unit | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2006-10-31 |
| 7122826 | Image display unit | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2006-10-17 |
| 7122394 | Process for producing a semiconductor light-emitting device | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2006-10-17 |
| 7122825 | Lighting system | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata, Tomoyuki Kikutani | 2006-10-17 |
| 7087932 | Semiconductor light-emitting device and semiconductor light-emitting device | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata | 2006-08-08 |
| 7067339 | Selective growth method, and semiconductor light emitting device and fabrication method thereof | Hiroyuki Okuyama | 2006-06-27 |
| 7033436 | Crystal growth method for nitride semiconductor and formation method for semiconductor device | Hiroyuki Okuyama, Masato Doi, Toyoharu Oohata | 2006-04-25 |