Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433440 | Semiconductor device having a porous buffer layer for semiconductor device | Masahiko Ogino, Akira Nagai, Takumi Ueno, Masanori Segawa, Hiroyoshi Kokaku +6 more | 2002-08-13 |
| 6423571 | Method of making a semiconductor device having a stress relieving mechanism | Masahiko Ogino, Akira Nagai, Toshiaki Ishii, Masanori Segawa, Haruo Akahoshi +4 more | 2002-07-23 |
| 6371664 | Photoelectronic device and method of manufacturing the same | Shoichi Takahashi, Hiroshi Naka, Toshimasa Miura | 2002-04-16 |