Assignee
Inventors
- Katsuji Igarashi (32 patents)
- Jun Yonemitsu (75 patents)
- Yoichi Yagasaki (252 patents)
- Yasushi Fujinami (147 patents)
- Tomoyuki Sato (45 patents)
- Motoki Kato (223 patents)
- Teruhiko Suzuki (219 patents)
US Patent 6324216 · Granted Nov 27, 2001