ddskk software package provides efficient Japanese input system for emacsen, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ddskk
ddskk is installed in your system.
Make ensure the ddskk package were installed using the commands given below,
$ sudo dpkg-query -l | grep ddskk *
You will get with ddskk package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Utilities |
| Package | ddskk |
| Version | 15.2-1 |
| Description | efficient Japanese input system for emacsen |
| Sub Section | Utils |