Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5868484 | Portable overhead projector | Masami Chikauchi, Naohiko Noda, Seiji Tachibana, Yasunori HAGARI | 1999-02-09 |
HY
Hiroyuki Yokokawa
Overall (All Time): #3,641,369 of 4,157,543Top 90%
1
Patents All Time