Assignee
Inventors
- Fumiaki Murakami (15 patents)
- Masahiko Suzuki (207 patents)
- Masatoshi Kuroyanagi (50 patents)
- Jirou Asai (2 patents)
- Yoshimi Natsume (4 patents)
- Akira Takagi (90 patents)
- Kiyomitsu Kozawa (2 patents)
US Patent 5043649 · Granted Aug 27, 1991