Assignee
Inventors
- Hiroaki Furukawa (42 patents)
- Kazuyasu Higashiyama (1 patents)
- Kentaro Iwanaga (12 patents)
- Yasumi Tanaka (17 patents)
- Tadashi Usuki (1 patents)
- Koji Tanaka (277 patents)
- Shinsuke Toyomasu (8 patents)
US Patent 5264473 · Granted Nov 23, 1993