Assignee
Inventors
- Tetsuya Arimoto (19 patents)
- Minoru Kuwana (22 patents)
- Kenji Ishibashi (98 patents)
- Yasuaki Serita (13 patents)
- Masayuki Ueyama (54 patents)
- Hiroshi Ootsuka (152 patents)
- Hisashi Tokumaru (35 patents)
US Patent 5365297 · Granted Nov 15, 1994