Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800804 | Epoxy resin composition used for encapsulating semiconductor and semiconductor device using the composition | Kazumasa Igarashi, Katsumi Okayama | 2004-10-05 |
| 6785519 | Portable telephone | Katsumi Okayama | 2004-08-31 |
| 6773800 | Electromagnetic wave absorbent and method for producing magnetic powder for the same | Akihisa Hosoe, Koji Nitta, Shinji Inazawa, Katsumi Okayama | 2004-08-10 |
| 6695985 | Electromagnetic wave suppressor sheet | Kazumasa Igarashi, Katsumi Okayama | 2004-02-24 |