| Title | Type | Date | Names | Characters | Series |
|---|---|---|---|---|---|
| EW | Software | 1988 | EAST Co., Ltd. |
|
|
| WordPerfect 5.1 | Software | 1989 | WordPerfect Corporation |
|
|
| Nihongo Word Processor v1.10 | Software | 1990 | H. Nakamoto, H. Tanaka, Sharp Corporation |
|