Assignee
Inventors
- Akihiro Horiguchi (24 patents)
- Fumio Ueno (32 patents)
- Mitsuo Kasori (21 patents)
- Yoshiko Sato (8 patents)
- Masaru Hayashi (11 patents)
- Hiroshi Endo (246 patents)
- Kazuo Shinozaki (17 patents)
- Akihiko Tsuge (27 patents)
US Patent 4847221 · Granted Jul 11, 1989