Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375226 | Portable type data entry terminal having a keyboard input device and a graphic input device | Shigeaki Sano, Sunichi Kawashima | 1994-12-20 |
| 5357577 | Vacuum tube microphone apparatus | Tomohiro Waji, Kazumasa Takahashi, Satoshi Yamazaki, Kiichi Yoshida, Osamu Kohno +1 more | 1994-10-18 |
| 5291021 | Positron computed tomography scanner | Nakahiro Satoh, Keiji Shimizu | 1994-03-01 |