Assignee
Inventors
- Tadashi Sato (18 patents)
- Taizo Watanabe (5 patents)
- Satoshi Minobe (6 patents)
- Takashi Nishimura (202 patents)
- Masahiro Kagotani (9 patents)
- Tomonobu Ase (1 patents)
- Zenjiro Honda (6 patents)
- Shinji Nagamatsu (7 patents)
US Patent 4909942 · Granted Mar 20, 1990