Assignee
Inventors
- Tohru Kino (15 patents)
- Motoaki Nishikawa (5 patents)
- Masami Ezaki (19 patents)
- Sumio Kiyoto (6 patents)
- Masakuni Okuhara (40 patents)
- Shigehiro Takase (32 patents)
- Satoshi Okada (28 patents)
- Nobuharu Shigematsu (13 patents)
US Patent 5217952 · Granted Jun 8, 1993