Assignee
Inventors
- Takashi Masaki (29 patents)
- Jun Futakuchiya (10 patents)
- Kenzo Yasuda (8 patents)
- Hidenori Ishiwata (5 patents)
- Shinji Saito (279 patents)
- Shinya Miyaji (38 patents)
- Tsutomu Amakawa (1 patents)
- Toshihiro Sugisawa (1 patents)
US Patent 6204486 · Granted Mar 20, 2001