Assignee
Inventors
- Yasuhisa Aono (29 patents)
- Akira Yoshinari (22 patents)
- Yasuo Kondo (47 patents)
- Junya Kaneda (16 patents)
- Hideyo Kodama (15 patents)
- Takahiko Kato (58 patents)
- Shigeo Hattori (25 patents)
- Masahiko Arai (20 patents)
US Patent 5987088 · Granted Nov 16, 1999