Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12002914 | Semiconductor light-emitting element and semiconductor light-emitting device | Yasutomo MITSUI, Yasumitsu Kunoh, Masanori HIROKI, Shigeo Hayashi, Masahiro Kume | 2024-06-04 |
| 11258001 | Semiconductor light-emitting element and semiconductor light-emitting device | Yasutomo MITSUI, Yasumitsu Kunoh, Masanori HIROKI, Shigeo Hayashi, Masahiro Kume | 2022-02-22 |
| 7176099 | Hetero-junction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Akiyoshi Tamura | 2007-02-13 |
| 7091528 | Semiconductor device | Akiyoshi Tamura, Keiichi Murayama | 2006-08-15 |
| 7012337 | Semiconductor device including a photosensitive resin covering at least a portion of a substrate having a via hole | Akiyoshi Tamura, Keiichi Murayama, Kazutsune Miyanaga, Yoshitaka Kuroishi | 2006-03-14 |
| 6982141 | Semiconductor device and manufacturing method thereof | Akiyoshi Tamura, Keiichi Murayama, Kazutsune Miyanaga, Yoshitaka Kuroishi | 2006-01-03 |
| 6903388 | Hetero-junction bipolar transistor and manufacturing method thereof | Keiichi Murayama, Akiyoshi Tamura | 2005-06-07 |
| 6777301 | Method of producing hetero-junction bipolar transistor | — | 2004-08-17 |
| 6218685 | Semiconductor device and method for fabricating the same | — | 2001-04-17 |