Assignee
Inventors
- Masaki Kuzumoto (39 patents)
- Youichiro Tabata (21 patents)
- Shigenori Yagi (26 patents)
- Kenji Yoshizawa (37 patents)
- Masahiro Mukai (6 patents)
- Junji Ochi (3 patents)
- Tateki Ozawa (12 patents)
US Patent 5948374 · Granted Sep 7, 1999