Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6465812 | Semiconductor light emitting device | Hiroyuki Hosoba, Hiroshi Nakatsu, Takahisa Kurahashi, Tetsuroh Murakami, Junichi Nakamura | 2002-10-15 |
| 6399409 | Method for fabricating semiconductor light emitting element | Junichi Nakamura | 2002-06-04 |
| 6399965 | Semiconductor light emitting device with high yield and low power consumption | Junichi Nakamura, Shouichi Ohyama | 2002-06-04 |
| 6268525 | Process for producing optically active chrysanthemic acid | Makoto Itagaki, Goufu Suzukamo, Kunihiko Fujita | 2001-07-31 |
| 6246078 | Semiconductor light emitting element | Junichi Nakamura | 2001-06-12 |
| 6219053 | Icon display and method which reflect the intuitive perspective of correlation between icons which have hierarchical relationships | Shoichi Tachibana, Kouji Ishibashi, Kazutaka Sasaki, Kenichi Shimazaki | 2001-04-17 |
| 6216538 | Particle handling apparatus for handling particles in fluid by acoustic radiation pressure | Kenji Yasuda, Shin-ichiro Umemura, Kenichi Kawabata, Kazuo Takeda, Kenko Uchida +2 more | 2001-04-17 |
| 6074889 | Method for producing semiconductor light-emitting device with undoped spacer layer | — | 2000-06-13 |
| 5856682 | Semiconductor light-emitting device and method for producing the same | — | 1999-01-05 |
| 5717709 | Semiconductor light-emitting device capable of having good stability in fundamental mode of oscillation, decreasing current leakage, and lowering oscillation threshold limit, and method of making the same | Osamu Yamamoto | 1998-02-10 |
| 5571750 | Method for producing a semiconductor laser device | Masanori Watanabe, Ken Ohbayashi, Osumu Yamamoto, Mitsuhiro Matsumoto | 1996-11-05 |
| 5516723 | Semiconductor light-emitting device capable of having good stability in fundamental mode of oscillation, decreasing current leakage, and lowering oscillation threshold limit, and method of making the same | Osamu Yamamoto | 1996-05-14 |
| 5413956 | Method for producing a semiconductor laser device | Masanori Watanabe, Ken Ohbayashi, Osamu Yamamoto, Mitsuhiro Matsumoto | 1995-05-09 |
| 5404031 | Semiconductor light emitting device with current confining layer | Hiroshi Nakatsu, Osamu Yamamoto, Masanori Watanabe, Saburo Yamamoto | 1995-04-04 |
| 5309001 | Light-emitting diode having a surface electrode of a tree-like form | Masanori Watanabe, Mitsuhiro Matsumoto, Hiroshi Nakatsu, Tadashi Takeoka, Osamu Yamamoto | 1994-05-03 |
| 5260231 | Method for the production of a semiconductor laser | Hidenori Kawanishi, Taiji Morimoto, Shinji Kaneiwa, Hiroshi Hayashi, Nobuyuki Miyauchi +5 more | 1993-11-09 |
| 5243081 | Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process | Masaru Ishino, Masami Fukao, Gohfu Suzukamo, Masao Sasaki | 1993-09-07 |
| 5237107 | Magnesium, aluminium complex compounds, process for preparing the same and process of aldol condensation dehydration products using the same | Masaru Ishino, Masami Fukao, Gohfu Suzukamo, Masao Sasaki | 1993-08-17 |
| 5228047 | Semiconductor laser device and a method for producing the same | Mitsuhiro Matsumoto, Masaki Kondo, Tadashi Takeoka, Hiroshi Nakatsu, Masanori Watanabe +2 more | 1993-07-13 |
| 5208468 | Semiconductor laser device with a sulfur-containing film provided between the facet and the protective film | Hidenori Kawanishi, Taiji Morimoto, Shinji Kaneiwa, Hiroshi Hayashi, Nobuyuki Miyauchi +5 more | 1993-05-04 |
| 5171706 | Method for the production of a semiconductor laser device | Mitsuhiro Matsumoto, Masaki Kondo | 1992-12-15 |
| 5042044 | Semiconductor laser device, a semiconductor wafer | Masaki Kondo, Taiji Morimoto, Mitsuhiro Matsumoto, Hiroyuki Hosoba, Sadayoshi Matsui +3 more | 1991-08-20 |
| 5022036 | Semiconductor laser device | Takahiro Suyama, Masafumi Kondo, Masahiro Hosoda, Kosei Takahashi, Toshiro Hayakawa | 1991-06-04 |
| 4984244 | Semiconductor laser device | Saburo Yamamoto, Taiji Morimoto, Masaki Kondo, Takahiro Suyama, Masafumi Kondo | 1991-01-08 |
| 4977568 | Semiconductor laser device | Saburo Yamamoto, Masahiro Hosoda, Masaki Kondo | 1990-12-11 |