Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861890 | Multi-media reproduction processing apparatus | Hiroyuki Sakai, Takahiro Yamada, Yuji Kimura | 1999-01-19 |
| 5542023 | Multi-media reproduction processing apparatus | Hiroyuki Sakai, Takahiro Yamada, Yuji Kimura | 1996-07-30 |
| 5035624 | Presentation apparatus | Rituko Hosoya, Takahiro Yamada | 1991-07-30 |