Assignee
Inventors
- Tomoji Oishi (20 patents)
- Sachiko Maekawa (3 patents)
- Akira Kato (407 patents)
- Masahiro Nishizawa (56 patents)
- Yoshifumi Tomita (40 patents)
- Kojiro Okude (10 patents)
- Kenji Tochigi (14 patents)
- Yutaka Misawa (19 patents)
US Patent 5449534 · Granted Sep 12, 1995