Assignee
Inventors
- Hiroshi Suzuki (826 patents)
- Hiroshi Ishikawa (263 patents)
- Keisuke Oguro (16 patents)
- Akihiko Kato (60 patents)
- Teruya Okada (7 patents)
- Shizuo Sakamoto (31 patents)
- Hiroyuki Kawashima (46 patents)
- Keizo Sakaguchi (6 patents)
US Patent 5019358 · Granted May 28, 1991