Assignee
Inventors
- Unknown
- Koji Ikegami (17 patents)
- Unknown
- Unknown
- Unknown
- Unknown
- Unknown
- Kenji Yamazaki (100 patents)
- Unknown
- Takayuki Takeuchi (83 patents)
- Kunihito Satou (8 patents)
- Unknown
- Unknown
- Unknown
US Patent 6378994 · Granted Apr 30, 2002