Assignee
Inventors
- Ryutaro Motoki (3 patents)
- Takashige Ishida (2 patents)
- Shigeru Tanaka (330 patents)
- Jun Funakoshi (28 patents)
- Takashi Nishi (51 patents)
- Akira Kosaka (49 patents)
- Tetsuo Kimura (54 patents)
US Patent 5993502 · Granted Nov 30, 1999