Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643524 | Base station serial connection communication system in a mobile communication system | Kiyotaka Horikawa | 2003-11-04 |
| 6542487 | Radio channel multiplex communication method, a mobile unit, and a base station in CDMA mobile communication system | Gen Motoyoshi | 2003-04-01 |
| 6534044 | Cosmetic preparation, surface-hydrophobized silica-coated metal oxide particles, sol of silica-coated metal oxide, and processes for producing these | Koichi Wada, Mitsuharu Irie, Kazuo Sekiguchi, Michihiro Takama | 2003-03-18 |
| 6504833 | Channel multiplexing method in mobile communication system | Masaaki Okada | 2003-01-07 |