Assignee
Inventors
- Shigeki Masumura (32 patents)
- Tatsuya Aizawa (9 patents)
- Kazuo Naito (5 patents)
- Yoshiyuki Miwa (17 patents)
- Hideo Nakamura (193 patents)
- Terumi Sawase (21 patents)
- Yasushi Akao (52 patents)
US Patent 5410718 · Granted Apr 25, 1995