Assignee
Inventors
- Kaoru Seto (42 patents)
- Kiyoshi Kanaiwa (8 patents)
- Michio Itoh (11 patents)
- Hiroshi Mano (94 patents)
- Hiromichi Yamada (108 patents)
- Atsushi Kashihara (31 patents)
- Takashi Kawana (45 patents)
- Tetsuo Saito (60 patents)
US Patent 5627651 · Granted May 6, 1997