Assignee
Inventors
- Hideaki Hosoya (2 patents)
- Unknown
- Akihisa Senga (4 patents)
- Shoichi Ohtaka (5 patents)
- Yukio Kondo (8 patents)
- Kaoru Aoki (28 patents)
- Tadashi Hashimoto (1 patents)
- Yasuo Kitami (10 patents)
US Patent 4741295 · Granted May 3, 1988