Assignee
Inventors
- Takahiko Kato (58 patents)
- Hideyo Kodama (15 patents)
- Toshimi Matsumoto (11 patents)
- Yasuhisa Aono (29 patents)
- Tetsuya Nagata (101 patents)
- Shigeo Hattori (25 patents)
- Junya Kaneda (16 patents)
- Shigeki Ono (23 patents)
US Patent 5731567 · Granted Mar 24, 1998