Assignee
Inventors
- Osami Matsushita (16 patents)
- Naohiko Takahashi (21 patents)
- Mitsuho Yoneyama (5 patents)
- Yasuo Fukushima (28 patents)
- Minoru Hiroshima (17 patents)
- Naohumi Sakanashi (1 patents)
- Teturo Ohashi (1 patents)
US Patent 5408875 · Granted Apr 25, 1995