Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852447 | Character and figure transforming system | Tsukasa Yamauchi, Yasumasa Matsuda | 1998-12-22 |
| 5539868 | Character and figure transferring system | Tsukasa Yamauchi, Yasumasa Matsuda | 1996-07-23 |
| 5289568 | Apparatus and method for drawing figures | Akira Nakajima, Toshiharu Kawasaki, Yasumasa Matsuda | 1994-02-22 |
| 5035624 | Presentation apparatus | Takahiro Yamada, Masataka Musya | 1991-07-30 |