Assignee
Inventors
- Michio Nakanishi (8 patents)
- Katsuhiro Uchida (16 patents)
- Terutake Nakagawa (2 patents)
- Kiyoharu Ukai (2 patents)
- Michiko Nagahara (7 patents)
- Jun Nakano (14 patents)
- Kazuhiko Kimura (28 patents)
US Patent 5158963 · Granted Oct 27, 1992