Assignee
Inventors
- Tetsuro Butsuen (18 patents)
- Toshihiro Hara (20 patents)
- Kazuki Fujise (4 patents)
- Takeshi Takagi (165 patents)
- Satoshi Morioka (33 patents)
- Satoru MATSUOKA (5 patents)
- Naoyuki Hikida (1 patents)
- Ayumu Doi (18 patents)
US Patent 5332057 · Granted Jul 26, 1994