Assignee
Inventors
- Hisashi Shoji (73 patents)
- Satoshi Haneda (249 patents)
- Seiichiro Hiratsuka (54 patents)
- Hiroshi Fuma (25 patents)
- Shinobu Soma (4 patents)
- Masahiko Itaya (54 patents)
- Akihiko Tamura (37 patents)
- Kazushi Hayakawa (7 patents)
US Patent 4669864 · Granted Jun 2, 1987