Assignee
Inventors
- Shinji Takayanagi (27 patents)
- Yoshitaka Kato (35 patents)
- Kunio Nanno (7 patents)
- Osamu Yasunaga (3 patents)
- Osamu Takeuchi (51 patents)
- Ryozo Yamamoto (2 patents)
- Kazuhiro Iwai (16 patents)
- Hiroshi Kasai (22 patents)
US Patent 4463964 · Granted Aug 7, 1984