Assignee
Inventors
- Haruo Urushidani (17 patents)
- Seisaku Takihana (5 patents)
- Kazuhiko Kumata (9 patents)
- Akira Shimura (19 patents)
- Osamu Arai (34 patents)
- Takeshi Iwamiya (3 patents)
- Hiraku Ikeda (21 patents)
US Patent 5281129 · Granted Jan 25, 1994