Assignee
Inventors
- Koichi Moriyasu (8 patents)
- Hideyuki Akieda (9 patents)
- Harumichi Aoki (3 patents)
- Makoto Suzuki (8 patents)
- Shingo Matsuo (28 patents)
- Yasunaga Iwasaki (6 patents)
- Sadafumi Koda (7 patents)
- Kanji Tomiya (14 patents)
US Patent 5409886 · Granted Apr 25, 1995