Assignee
Inventors
- Hiroki Kisu (23 patents)
- Masaharu Ohkubo (43 patents)
- Kazushige Sakurai (30 patents)
- Michihito Yamazaki (14 patents)
- Erika Asano (7 patents)
- Yasushi Shimizu (124 patents)
- Hiroaki Ogata (31 patents)
US Patent 5534344 · Granted Jul 9, 1996