Assignee
Inventors
- Kunitake Matsushita (36 patents)
- Hiroshi Sakuma (1 patents)
- Takayuki Yamawaki (19 patents)
- Takashi Yoshikura (1 patents)
- Hiroshi Sano (96 patents)
- Yuzuru Suzuki (133 patents)
- Michihiro Torii (11 patents)
- Tohru Ohnuki (1 patents)
US Patent 4841190 · Granted Jun 20, 1989