Assignee
Inventors
- Akihiko Kanouda (72 patents)
- Tadashi Takahashi (173 patents)
- Kazuhiro Takizawa (47 patents)
- Tetsuya Obara (2 patents)
- Makoto Kawamura (108 patents)
- Masami Joraku (3 patents)
- Yoshio Miyamoto (14 patents)
US Patent 5642269 · Granted Jun 24, 1997