Assignee
Inventors
- Shinji Shibuya (40 patents)
- Koushirou Adachi (4 patents)
- Toosaku Hattori (1 patents)
- Masahiro Okumura (24 patents)
- Kazutomo Kishimoto (2 patents)
- Youji Kouno (2 patents)
- Kazuo Honma (36 patents)
US Patent D314376 · Granted Feb 5, 1991