Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8754449 | High electron mobility transistor (HEMT) made of layers of Group XIII element nitrides and manufacturing method thereof | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2014-06-17 |
| 8398767 | Bulk mono-crystalline gallium-containing nitride and its application | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara, Robert Kucharski | 2013-03-19 |
| 8110848 | Substrate for epitaxy and method of preparing the same | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2012-02-07 |
| 7935550 | Method of forming light-emitting device using nitride bulk single crystal layer | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2011-05-03 |
| 7905957 | Method of obtaining bulk single crystals by seeded growth | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2011-03-15 |
| 7871843 | Method of preparing light emitting device | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2011-01-18 |
| 7811380 | Process for obtaining bulk mono-crystalline gallium-containing nitride | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2010-10-12 |
| 7750355 | Light emitting element structure using nitride bulk single crystal layer | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2010-07-06 |
| 7744697 | Bulk monocrystalline gallium nitride | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2010-06-29 |
| 7589358 | Phosphor single crystal substrate and method for preparing the same, and nitride semiconductor component using the same | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2009-09-15 |
| 7422633 | Method of forming gallium-containing nitride bulk single crystal on heterogeneous substrate | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-09-09 |
| 7420261 | Bulk nitride mono-crystal including substrate for epitaxy | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-09-02 |
| 7410539 | Template type substrate and a method of preparing the same | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-08-12 |
| 7387677 | Substrate for epitaxy and method of preparing the same | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-06-17 |
| 7374615 | Method and equipment for manufacturing aluminum nitride bulk single crystal | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-05-20 |
| 7364619 | Process for obtaining of bulk monocrystalline gallium-containing nitride | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-04-29 |
| 7335262 | Apparatus for obtaining a bulk single crystal using supercritical ammonia | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-02-26 |
| 7315559 | Nitride semiconductor laser device and a method for improving its performance | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-01-01 |
| 7314517 | Process for obtaining bulk mono-crystalline gallium-containing nitride | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2008-01-01 |
| 7252712 | Process and apparatus for obtaining bulk monocrystalline gallium-containing nitride | Roman Doradzinski, Leszek Piotr Sierzfutowski, Jerzy Garczynski, Yasuo Kanbara | 2007-08-07 |
| 7160388 | Process and apparatus for obtaining bulk monocrystalline gallium-containing nitride | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2007-01-09 |
| 7132730 | Bulk nitride mono-crystal including substrate for epitaxy | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2006-11-07 |
| 7081162 | Method of manufacturing bulk single crystal of gallium nitride | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2006-07-25 |
| 7057211 | Nitride semiconductor laser device and manufacturing method thereof | Roman Doradzinski, Jerzy Garczynski, Leszek Sierzputowski, Yasuo Kanbara | 2006-06-06 |