Assignee
Inventors
- Toshiaki Kumazawa (15 patents)
- Masashi Yanase (3 patents)
- Hiroyuki Harakawa (2 patents)
- Hiroyuki Obase (23 patents)
- Shoji Oda (14 patents)
- Shiro Shirakura (9 patents)
- Koji Yamada (47 patents)
- Kazuhiro Kubo (48 patents)
US Patent 5340807 · Granted Aug 23, 1994