Assignee
Inventors
- Itsuo Takanashi (121 patents)
- Shintaro Nakagaki (122 patents)
- Ichiro Negishi (32 patents)
- Tetsuji Suzuki (97 patents)
- Fujiko Tatsumi (20 patents)
- Ryusaku Takahashi (36 patents)
- Keiichi Maeno (17 patents)
US Patent 5565882 · Granted Oct 15, 1996