Assignee
- Sanyo Electric Co.
- Oki Electric Industry Co.
- Sharp Kabushiki Kaisha
- Sony
- Kabushiki Kaisha Toshiba
- Nec
- Hitachi
- Fujitsu Limited
- Panasonic
- Mitsubishi Electric
- Rohm Co.
- Unknown
- Unknown
Inventors
- Kanji Otsuka (65 patents)
- Tamotsu Usami (24 patents)