Assignee
Inventors
- Akira Matsuoka (31 patents)
- Koichi Mimura (2 patents)
- Masayuki Matsumoto (17 patents)
- Masaru Matsunami (1 patents)
- Kozo Mizutani (1 patents)
- Minoru Okamura (6 patents)
- Kazuomi Sakai (1 patents)
- Toru Yamakawa (17 patents)
US Patent 5248486 · Granted Sep 28, 1993