Assignee
Inventors
- Kazunaga Yazawa (13 patents)
- Kazuo Watanabe (4 patents)
- Yasuharu Ijuin (1 patents)
- Mayumi Shikano (1 patents)
- Yasuji Soda (2 patents)
- Tetsuya Kosaka (1 patents)
- Naoto Matsuyama (3 patents)
- Koji Mizuno (5 patents)
US Patent 5801178 · Granted Sep 1, 1998