Assignee
Inventors
- Nobuyuki Ema (6 patents)
- Keiichi Hibi (31 patents)
- Jiro Nakabayashi (9 patents)
- Tsuneaki Iwano (8 patents)
- Osamu Nakamura (365 patents)
- Youji Kanada (5 patents)
- Tsuneko Kura (14 patents)
- Takashi Oshima (90 patents)
US Patent 5742729 · Granted Apr 21, 1998