Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867159 | Document processing apparatus for displaying a plurality of ruled lines at regular intervals | Masaki Hamada | 1999-02-02 |
| 5122953 | Word processor for automatically defining the position, size, and form of a symbol and formula | Akihiko Uekusa, Shinko Sugiyama, Masaki Hamada, Akifumi Shirasaka | 1992-06-16 |