Assignee
Inventors
- Takeo Wada (10 patents)
- Makoto Obu (46 patents)
- Toshiyuki Kawanishi (24 patents)
- Noriyoshi Tarumi (53 patents)
- Masato Igarashi (31 patents)
- Takashi Mori (233 patents)
- Katsuaki Miyawaki (59 patents)
- Minoru Suzuki (269 patents)
US Patent 5300952 · Granted Apr 5, 1994