Assignee
Inventors
- Shigeaki Shimazu (8 patents)
- Kenji Endo (44 patents)
- Eiichi Tamaki (13 patents)
- Yasuyuki Wada (7 patents)
- Masahide Okazaki (22 patents)
- Takeshi Kageyama (7 patents)
- Yoshio Kurata (2 patents)
US Patent 4867542 · Granted Sep 19, 1989