Assignee
- Unknown
- Shinko Electric Industries Co.
- Oki Electric Industry Co.
- Sanyo Electric Co.
- Sharp Kabushiki Kaisha
- Sony
- Kabushiki Kaisha Toshiba
- Nec
- Hitachi
- Fujitsu Limited
- Sumitomo Electric Industries
- Mitsubishi Electric
- Rohm Co.
Inventors
- Tadatomo Suga (43 patents)
- Toshihiro Itoh (15 patents)
- Hideto Nakazawa (2 patents)
- Masatoshi Akagawa (28 patents)