Assignee
Inventors
- Kenzo Kimoto (15 patents)
- Masatake Tamaru (20 patents)
- Masami Naruse (12 patents)
- Sadao Nunotani (21 patents)
- Jun Maruyama (38 patents)
- Kenji Kanemaru (16 patents)
- Tatsuya Futami (4 patents)
US Patent 6578296 · Granted Jun 17, 2003