Assignee
Inventors
- Kanji Noda (14 patents)
- Akira Nakagawa (32 patents)
- Munehiko Hirano (12 patents)
- Kenji Yamagata (3 patents)
- Yoichi Nakashima (2 patents)
- Terumi Hachiya (6 patents)
- Hiroyuki Ide (9 patents)
- Akihide Koda (12 patents)
US Patent 4410546 · Granted Oct 18, 1983