Assignee
Inventors
- Tadashi Takahashi (173 patents)
- Tetsuya Utsui (17 patents)
- Rensuke Adachi (30 patents)
- Mitsuru Iida (42 patents)
- Katsuhiko Furuya (15 patents)
- Junji Usami (8 patents)
- Ryoji Honda (23 patents)
US Patent 5488509 · Granted Jan 30, 1996