Assignee
Inventors
- Koji Yamamoto (311 patents)
- Masahiro Hanafusa (2 patents)
- Michio Nishimura (23 patents)
- Yoshihiro Nakatsuji (2 patents)
- Fumio Onuma (3 patents)
- Shinichi Hirako (8 patents)
- Kunio Kaede (1 patents)
US Patent 5408307 · Granted Apr 18, 1995