Assignee
Inventors
- Nobuyasu Nakajima (19 patents)
- Koji Ogura (54 patents)
- Mutsumu Serizawa (40 patents)
- Yoshinari Kumaki (31 patents)
- Katsuya Nounin (8 patents)
- Eiji Kamagata (28 patents)
- Takashi Wakutsu (41 patents)
- Tsutomu Sugawara (19 patents)
US Patent 5940769 · Granted Aug 17, 1999