Assignee
Inventors
- Makoto Tsukahara (10 patents)
- Kunio Takahashi (44 patents)
- Takahiro Mishima (28 patents)
- Akihito Isomura (4 patents)
- Tetsuo Sakai (91 patents)
- Hiroshi Miyamura (11 patents)
- Itsuki Uehara (9 patents)
US Patent 5690799 · Granted Nov 25, 1997