Assignee
Inventors
- Takahisa Koike (28 patents)
- Takao Fukazawa (9 patents)
- Kazumi Ishima (18 patents)
- Toshiharu Murai (42 patents)
- Tadashi Itoh (12 patents)
- Toshifumi Kato (9 patents)
- Koichiro Jinnai (29 patents)
US Patent 4598299 · Granted Jul 1, 1986