Assignee
Inventors
- Shigekazu Otomo (36 patents)
- Noriyuki Kumasaka (59 patents)
- Takeo Yamashita (43 patents)
- Juichi Morikawa (14 patents)
- Hideo Fujiwara (70 patents)
- Osamu Inagoya (8 patents)
- Takeshi Tottori (11 patents)
- Masashi Hayashi (106 patents)
US Patent 4745507 · Granted May 17, 1988