Assignee
Inventors
- Katsumi Kondo (177 patents)
- Yasuhiro Tsuchiya (9 patents)
- Yasushi Yamazawa (8 patents)
- Masaki Terada (19 patents)
- Takatsune Niimi (5 patents)
- Takashi Yamamoto (694 patents)
- Kunihiro Matsuba (4 patents)
US Patent 4749422 · Granted Jun 7, 1988