Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669335 | Ink-jet printing head and ink-jet printing apparatus | Sohei Tanaka, Shinji Takagi, Masafumi Wataya, Noriyuki Suzuki, Masaaki Okada +3 more | 2003-12-30 |
| 6646981 | Transmission apparatus and communication network capable of detecting a period of time with a line affected due to a failure of a power supply | Kenya Kinouchi | 2003-11-11 |
| 6557984 | Ink-jet printing head and ink-jet printing apparatus | Sohei Tanaka, Shinji Takagi, Masafumi Wataya, Noriyuki Suzuki, Masaaki Okada +3 more | 2003-05-06 |