Assignee
Inventors
- Tohru Uenishi (3 patents)
- Isamu Yamamoto (34 patents)
- Kazutake Okamoto (5 patents)
- Hideo Sato (2 patents)
- Yasuhiro Shiota (2 patents)
- Hidehiko Sakurai (8 patents)
- Seiji Watanuki (6 patents)
- Mitsuru Suzuki (55 patents)
US Patent 5624561 · Granted Apr 29, 1997