Assignee
Inventors
- Toshiaki Yamada (66 patents)
- Takeshi Takahashi (259 patents)
- Atsushi Yakuwa (3 patents)
- Hideaki Ninomiya (39 patents)
- Naoyuki Amaya (7 patents)
- Naoki Saito (143 patents)
- Yasuhiro Imamura (6 patents)
- Norihiro Kaiya (3 patents)
US Patent 5914283 · Granted Jun 22, 1999