Assignee
Inventors
- Keigo Suehiro (10 patents)
- Katsuyuki Nitta (5 patents)
- Katsumi Sekiguchi (14 patents)
- Takeaki Inokuma (4 patents)
- Chihiro Ogawa (15 patents)
- Osamu Aoki (54 patents)
- Kenji Hamabe (14 patents)
- Atsushi Takeuchi (119 patents)
US Patent 5324771 · Granted Jun 28, 1994