Assignee
Inventors
- Kunio Ishigaki (42 patents)
- Kazunobu Katoh (99 patents)
- Nobuaki Inoue (61 patents)
- Hisashi Okada (102 patents)
- Toshinao Ukai (29 patents)
- Morio Yagihara (136 patents)
- Yoshihiro Takagi (73 patents)
- Masakazu Yoneyama (34 patents)
US Patent 4956263 · Granted Sep 11, 1990